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VANDENBERG AIR FORCE BASE, Calif. -- Stage 2 is separated from stage 3 of an Orbital Sciences Corp. Pegasus rocket in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California to reinstall some RF cabling. The stages were remated after the installation was complete. The rocket is being prepared to launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences' L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch, targeted for no earlier than March 14. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1117

VANDENBERG AIR FORCE BASE, Calif. -- Stage 2 is separated from stage 3 of an Orbital Sciences Corp. Pegasus rocket in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California to reinstall some More

VANDENBERG AIR FORCE BASE, Calif. -- The payload transporter carrying the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) is parked in the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip which began Jan. 24 from Orbital Sciences' manufacturing plant in Dulles, Va. The spacecraft will be removed from the shipping container in the airlock and transferred into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1148

VANDENBERG AIR FORCE BASE, Calif. -- The payload transporter carrying the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) is parked in the airlock o More

VANDENBERG AIR FORCE BASE, Calif. -- A tractor-trailer delivers NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, to processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip which began Jan. 24 from Orbital Sciences' manufacturing plant in Dulles, Va. The spacecraft will be removed from the shipping container in the airlock and transferred into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1145

VANDENBERG AIR FORCE BASE, Calif. -- A tractor-trailer delivers NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, to processing facility 1555 a More

VANDENBERG AIR FORCE BASE, Calif. -- A forklift is enlisted to transfer NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, from the tractor-trailer on which it arrived into the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1137

VANDENBERG AIR FORCE BASE, Calif. -- A forklift is enlisted to transfer NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, from the tractor-trai More

VANDENBERG AIR FORCE BASE, Calif. -- Workers maneuver the payload transporter carrying the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into position in the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip which began Jan. 24 from Orbital Sciences' manufacturing plant in Dulles, Va. The spacecraft will be removed from the shipping container in the airlock and transferred into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1147

VANDENBERG AIR FORCE BASE, Calif. -- Workers maneuver the payload transporter carrying the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into posi More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, arrives at processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1135

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, arrives at processing facility 1555 at Vandenberg Air Fo More

VANDENBERG AIR FORCE BASE, Calif. -- Preparations are under way at Vandenberg Air Force Base (VAFB) in California to transfer NASA's newly arrived Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, into the airlock of processing facility 1555. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1136

VANDENBERG AIR FORCE BASE, Calif. -- Preparations are under way at Vandenberg Air Force Base (VAFB) in California to transfer NASA's newly arrived Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, approaches processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1134

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, approaches processing facility 1555 at Vandenberg Air Fo More

VANDENBERG AIR FORCE BASE, Calif. -- Workers unwrap the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) in the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1142

VANDENBERG AIR FORCE BASE, Calif. -- Workers unwrap the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) in the airlock of processing facility 1555 a More

VANDENBERG AIR FORCE BASE, Calif. -- A forklift is enlisted to transfer the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from the airlock to the high bay of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1144

VANDENBERG AIR FORCE BASE, Calif. -- A forklift is enlisted to transfer the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from the airlock to the More

VANDENBERG AIR FORCE BASE, Calif. -- Workers position NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, onto a payload transporter for transfer of the telescope into the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1138

VANDENBERG AIR FORCE BASE, Calif. -- Workers position NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, onto a payload transporter for transfer More

VANDENBERG AIR FORCE BASE, Calif. -- Workers roll the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) through the door of the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1139

VANDENBERG AIR FORCE BASE, Calif. -- Workers roll the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) through the door of the airlock of processing More

VANDENBERG AIR FORCE BASE, Calif. -- Workers roll the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) through the door of the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip which began Jan. 24 from Orbital Sciences' manufacturing plant in Dulles, Va. The spacecraft will be removed from the shipping container in the airlock and transferred into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1146

VANDENBERG AIR FORCE BASE, Calif. -- Workers roll the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) through the door of the airlock of processing More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, is delivered by tractor-trailer to processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1132

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, is delivered by tractor-trailer to processing facility 1 More

VANDENBERG AIR FORCE BASE, Calif. -- Workers position the payload transporter supporting the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) for transfer from the airlock to the high bay of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1143

VANDENBERG AIR FORCE BASE, Calif. -- Workers position the payload transporter supporting the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) for tra More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, is trucked by trailer to processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1133

VANDENBERG AIR FORCE BASE, Calif. -- NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in an environmentally controlled shipping container, is trucked by trailer to processing facility 1555 at Van More

VANDENBERG AIR FORCE BASE, Calif. -- Workers position the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) in the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip from Orbital Sciences' manufacturing plant in Dulles, Va., which began Jan. 24. The spacecraft will be offloaded into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After NuSTAR is removed from its shipping container, checkout and other processing activity will begin. The spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. After processing is completed, the rocket and spacecraft will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1140

VANDENBERG AIR FORCE BASE, Calif. -- Workers position the environmentally controlled shipping container enclosing NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) in the airlock of processing facility 1555 More

VANDENBERG AIR FORCE BASE, Calif. -- The Orbital Sciences Pegasus XL rocket that will carry NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space awaits integration with the spacecraft in the clean room of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The spacecraft arrived at 7:52 a.m. PST after a cross-country trip which began Jan. 24 from Orbital Sciences' manufacturing plant in Dulles, Va. The spacecraft will be removed from the shipping container in the airlock and transferred into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1149

VANDENBERG AIR FORCE BASE, Calif. -- The Orbital Sciences Pegasus XL rocket that will carry NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space awaits integration with the spacecraft in the clean r More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers monitor NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) as it is lowered onto a handling dolly. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1170

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers monitor NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) as it is More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers remove the protective shroud from around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) as it rests in the bottom half of a shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1161

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers remove the protective shroud from around NASA's Nuclear Spectroscopic T More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers push the handling dolly supporting NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in a protective shroud, into a environmental enclosure. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1175

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers push the handling dolly supporting NASA's Nuclear Spectroscopic Telesco More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a crane is connected to the environmentally controlled shipping container during preparations to lift it away from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1151

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a crane is connected to the environmentally controlled shipping container durin More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) rests on a handling dolly in a environmental enclosure, awaiting further processing. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1177

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) rests on a handling dolly More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a crane lifts half of the environmentally controlled shipping container, providing a glimpse of NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1152

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a crane lifts half of the environmentally controlled shipping container, provid More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers lift NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from its shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1164

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers lift NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from its shi More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers release NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from a lifting fixture. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1173

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers release NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from a li More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers lift the top half of the shipping container from around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), wrapped in a protective shroud. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1155

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers lift the top half of the shipping container from around NASA's Nuclear More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers prepare to remove the protective shroud from around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) as it rests in the bottom half of a shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1158

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers prepare to remove the protective shroud from around NASA's Nuclear Spec More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, the top half of the shipping container is lifted away from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), wrapped in a protective shroud. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1156

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, the top half of the shipping container is lifted away from NASA's Nuclear Spect More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, preparations are under way to remove the environmentally controlled shipping container from around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1150

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, preparations are under way to remove the environmentally controlled shipping co More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers prepare a lifting fixture to hoist NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from its shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1160

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers prepare a lifting fixture to hoist NASA's Nuclear Spectroscopic Telesco More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers park the handling dolly supporting NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), enclosed in a protective shroud, in a environmental enclosure. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1176

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers park the handling dolly supporting NASA's Nuclear Spectroscopic Telesco More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), wrapped in a protective shroud, comes into view as the environmentally controlled shipping container is lifted away from the spacecraft. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1154

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), wrapped in a protective More

VANDENBERG AIR FORCE BASE, Calif. -- In processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, the shipping container removed from around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) is lowered to the floor. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1157

VANDENBERG AIR FORCE BASE, Calif. -- In processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, the shipping container removed from around NASA's Nuclear Spectroscopic Telescope Array (NuSTA More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers attach a lifting fixture to NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) during preparations to hoist it from its shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1163

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers attach a lifting fixture to NASA's Nuclear Spectroscopic Telescope Arra More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers position NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) onto a handling dolly. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1171

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers position NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) onto a h More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers rewrap NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) in a protective shroud. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1174

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers rewrap NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) in a prote More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) hovers above its shipping container during transfer to a handling dolly. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1166

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) hovers above its shipping More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) moves slowly toward a handling dolly. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1169

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) moves slowly toward a han More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers start to remove the protective shroud from around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) as it rests in the bottom half of a shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1159

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers start to remove the protective shroud from around NASA's Nuclear Spectr More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers position a lifting fixture toward NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) during preparations to hoist it from its shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1162

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers position a lifting fixture toward NASA's Nuclear Spectroscopic Telescop More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers secure NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) onto a handling dolly. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1172

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers secure NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) onto a han More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a worker is at the controls of the lifting fixture moving NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) away from its shipping container toward a handling dolly. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1168

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a worker is at the controls of the lifting fixture moving NASA's Nuclear Spectr More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers prepare a handling dolly to receive NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) as it glides away from its shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1167

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, workers prepare a handling dolly to receive NASA's Nuclear Spectroscopic Telesc More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a lifting fixture is employed to hoist NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) from its shipping container. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1165

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, a lifting fixture is employed to hoist NASA's Nuclear Spectroscopic Telescope A More

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, the environmentally controlled shipping container is lifted from around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), wrapped in a protective shroud. The spacecraft arrived at VAFB Jan. 27 after a cross-country trip which began from Orbital Sciences' manufacturing plant in Dulles, Va., on Jan. 24. Next, NuSTAR will be transferred from the airlock into the processing hangar, joining the Pegasus XL rocket that is set to carry it to space. After checkout and other processing activities are complete, the spacecraft will be integrated with the Pegasus in mid-February and encapsulation in the vehicle fairing will follow. The rocket and spacecraft then will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch in March. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1153

VANDENBERG AIR FORCE BASE, Calif. -- In the airlock of processing facility 1555 at Vandenberg Air Force Base (VAFB) in California, the environmentally controlled shipping container is lifted from around NASA's More

VANDENBERG AIR FORCE BASE, Calif. -- In Orbital Sciences' Pegasus processing facility at Vandenberg Air Force Base's in California, the Pegasus XL rocket is readied for flight. The Pegasus will launch the Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1211

VANDENBERG AIR FORCE BASE, Calif. -- In Orbital Sciences' Pegasus processing facility at Vandenberg Air Force Base's in California, the Pegasus XL rocket is readied for flight. The Pegasus will launch the Nucle More

VANDENBERG AIR FORCE BASE, Calif. -- In Orbital Sciences' Pegasus processing facility at Vandenberg Air Force Base's in California, the Pegasus XL rocket is readied for flight. The Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1214

VANDENBERG AIR FORCE BASE, Calif. -- In Orbital Sciences' Pegasus processing facility at Vandenberg Air Force Base's in California, the Pegasus XL rocket is readied for flight. The Pegasus will launch NASA' More

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, NASA's NuSTAR spacecraft undergoes a limited performance test, a two-day functional checkout of the spacecraft. A Pegasus XL rocket is set to launch NuSTAR into space. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1213

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, NASA's NuSTAR spacecraft undergoes a limited performance test, a two-day functional checkou More

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, NASA's NuSTAR spacecraft undergoes a limited performance test, a two-day functional checkout of the spacecraft. A Pegasus XL rocket is set to launch NuSTAR into space. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1212

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, NASA's NuSTAR spacecraft undergoes a limited performance test, a two-day functional checkou More

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facility, the fairing halves will be unwrapped and processed in a clean room environmental enclosure. The Pegasus is set to launch NASA's NuSTAR spacecraft. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1242

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facilit More

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, NASA's NuSTAR spacecraft is prepared for a solar array illumination test. A Pegasus XL rocket is set to launch NuSTAR into space. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1243

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, NASA's NuSTAR spacecraft is prepared for a solar array illumination test. A Pegasus X More

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, a technician conducts a solar array illumination test on NASA's NuSTAR spacecraft. A Pegasus XL rocket is set to launch NuSTAR into space. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1244

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, a technician conducts a solar array illumination test on NASA's NuSTAR spacecraft. A Peg More

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facility, the fairing halves will be unwrapped and processed in a clean room environmental enclosure. The Pegasus is set to launch NASA's NuSTAR spacecraft. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1240

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facilit More

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, a technician conducts a solar array illumination test on NASA's NuSTAR spacecraft. A Pegasus XL rocket is set to launch NuSTAR into space. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1245

VANDENBERG AIR FORCE BASE, Calif. -- In a clean room at Vandenberg Air Force Base's processing facility in California, a technician conducts a solar array illumination test on NASA's NuSTAR spacecraft. A Peg More

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facility, the fairing halves will be unwrapped and processed in a clean room environmental enclosure. The Pegasus is set to launch NASA's NuSTAR spacecraft. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1239

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facilit More

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facility, the fairing halves will be unwrapped and processed in a clean room environmental enclosure. The Pegasus is set to launch NASA's NuSTAR spacecraft. Once the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1241

VANDENBERG AIR FORCE BASE, Calif. -- Workers unload the two halves that make up the Pegasus XL rocket's fairing that will protect the NuSTAR spacecraft during launch. Inside Orbital Science's processing facilit More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) is secured to a Pegasus fairing separation ring, positioned on its workstand. A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1263

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) is secured to a Pegasus fairing separation ring, More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians cover NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) with a protective shroud following its installation on a Pegasus fairing separation ring. A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1264

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians cover NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) with a protective s More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians lower NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) toward the Pegasus fairing separation ring positioned on its workstand. A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1262

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians lower NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) toward the Pegasus More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians move a Pegasus fairing separation ring toward the workstand for NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1259

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians move a Pegasus fairing separation ring toward the workstand for NASA's Nuclear More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians attach NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) to a lifting device during preparations to raise it from its workstand. A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1256

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians attach NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) to a lifting devic More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) is lifted from its workstand during preparations to install it on a Pegasus fairing separation ring. A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1257

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) is lifted from its workstand during preparations More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians move NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) toward the Pegasus fairing separation ring in place on its workstand. A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1261

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians move NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) toward the Pegasus f More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians position a Pegasus fairing separation ring on the workstand for NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1260

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, spacecraft technicians position a Pegasus fairing separation ring on the workstand for NASA's Nuclear More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, a spacecraft technician monitors NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), suspended from the ceiling near its workstand, during preparations to install it on a Pegasus fairing separation ring. A Pegasus XL rocket is being prepared to launch NuSTAR into space in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1258

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, a spacecraft technician monitors NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), suspended from More

VANDENBERG AIR FORCE BASE, Calif. – In an environmental enclosure in processing facility 1555 at Vandenberg Air Force Base in California, cleaning and inspection of half of a Pegasus payload fairing for NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) mission is under way. The fairing will protect the spacecraft from the heat and aerodynamic pressure generated during ascent to orbit aboard an Orbital Sciences Pegasus XL rocket in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown aboard an L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site on the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1267

VANDENBERG AIR FORCE BASE, Calif. – In an environmental enclosure in processing facility 1555 at Vandenberg Air Force Base in California, cleaning and inspection of half of a Pegasus payload fairing for NASA's More

VANDENBERG AIR FORCE BASE, Calif. – In an environmental enclosure in processing facility 1555 at Vandenberg Air Force Base in California, a spacecraft technician inspects half of a Pegasus payload fairing for NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) mission. The fairing will protect the spacecraft from the heat and aerodynamic pressure generated during ascent to orbit aboard an Orbital Sciences Pegasus XL rocket in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown aboard an L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site on the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1266

VANDENBERG AIR FORCE BASE, Calif. – In an environmental enclosure in processing facility 1555 at Vandenberg Air Force Base in California, a spacecraft technician inspects half of a Pegasus payload fairing for N More

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, segments of a Pegasus payload fairing for NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) mission have been cleaned and inspected, a milestone in launch preparations. The fairing will protect the spacecraft from the heat and aerodynamic pressure generated during ascent to orbit aboard an Orbital Sciences Pegasus XL rocket in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown aboard an L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site on the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1269

VANDENBERG AIR FORCE BASE, Calif. – In processing facility 1555 at Vandenberg Air Force Base in California, segments of a Pegasus payload fairing for NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) missio More

VANDENBERG AIR FORCE BASE, Calif. – In an environmental enclosure in processing facility 1555 at Vandenberg Air Force Base in California, twin segments of a Pegasus payload fairing for NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) mission are cleaned and inspected before the spacecraft is encapsulated. The fairing will protect the spacecraft from the heat and aerodynamic pressure generated during ascent to orbit aboard an Orbital Sciences Pegasus XL rocket in March. Once processing of the rocket and spacecraft are completed at Vandenberg, they will be flown aboard an L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site on the Pacific Ocean’s Kwajalein Atoll for launch. NuSTAR, a high-energy x-ray telescope, will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1268

VANDENBERG AIR FORCE BASE, Calif. – In an environmental enclosure in processing facility 1555 at Vandenberg Air Force Base in California, twin segments of a Pegasus payload fairing for NASA's Nuclear Spectrosco More

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians begin attaching the lifting device that will place NASA's NuSTAR spacecraft into the tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1375

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians begin attaching the lifting device that will place NASA's NuSTAR spacecr More

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians pull a plastic cover over NASA's NuSTAR spacecraft and the tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1385

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians pull a plastic cover over NASA's NuSTAR spacecraft and the tilt-rotation More

VANDENBERG AIR FORCE BASE, Calif. -- Technicians carefully guide the tilt-rotation fixture as it is lowered toward NASA's NuSTAR spacecraft inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1373

VANDENBERG AIR FORCE BASE, Calif. -- Technicians carefully guide the tilt-rotation fixture as it is lowered toward NASA's NuSTAR spacecraft inside Orbital Sciences' processing facility at Vandenberg Air Force B More

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, NASA's NuSTAR spacecraft has been placed into a tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1383

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, NASA's NuSTAR spacecraft has been placed into a tilt-rotation fixture. The spacecraf More

VANDENBERG AIR FORCE BASE, Calif. -- As a technician monitors the solar array deployment test at Vandenberg Air Force Base's processing facility in California, NuSTAR’s X-ray telescope is visible. The Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1359

VANDENBERG AIR FORCE BASE, Calif. -- As a technician monitors the solar array deployment test at Vandenberg Air Force Base's processing facility in California, NuSTAR’s X-ray telescope is visible. The Pegasu More

VANDENBERG AIR FORCE BASE, Calif. -- Technicians watch closely as NASA's NuSTAR spacecraft is Under the watchful eyes of technicians, NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1378

VANDENBERG AIR FORCE BASE, Calif. -- Technicians watch closely as NASA's NuSTAR spacecraft is Under the watchful eyes of technicians, NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facil More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, technicians inside Orbital Sciences' processing facility watch as NASA's NuSTAR spacecraft is lifted by the tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1381

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, technicians inside Orbital Sciences' processing facility watch as NASA's NuSTAR spacecraft is lifted by the tilt-rotation fixture More

VANDENBERG AIR FORCE BASE, Calif. -- Technicians watch closely as NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1377

VANDENBERG AIR FORCE BASE, Calif. -- Technicians watch closely as NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rota More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1380

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining More

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, a technician watches closely as NASA's NuSTAR spacecraft begins to rise from its test stand. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1376

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, a technician watches closely as NASA's NuSTAR spacecraft begins to rise from its tes More

VANDENBERG AIR FORCE BASE, Calif. -- Technicians pull a protective plastic cover over NASA's NuSTAR spacecraft and the tilt-rotation fixture inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1386

VANDENBERG AIR FORCE BASE, Calif. -- Technicians pull a protective plastic cover over NASA's NuSTAR spacecraft and the tilt-rotation fixture inside Orbital Sciences' processing facility at Vandenberg Air Force More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft sits on a test stand before it is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1369

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft sits on a test stand before it is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be ro More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, technicians inside Orbital Sciences' processing facility guide the lifting device as NASA's NuSTAR spacecraft is placed into a tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1382

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, technicians inside Orbital Sciences' processing facility guide the lifting device as NASA's NuSTAR spacecraft is placed into a ti More

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, a lifting device is lowered toward NASA's NuSTAR spacecraft. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1371

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, a lifting device is lowered toward NASA's NuSTAR spacecraft. The spacecraft will be More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, NASA’s NuSTAR spacecraft undergoes a solar array deployment test. The Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1357

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, NASA’s NuSTAR spacecraft undergoes a solar array deployment test. The Pegasus will launch NASA's Nuc More

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians observe the movement of a lifting device as it is lowered toward NASA's NuSTAR spacecraft. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1372

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians observe the movement of a lifting device as it is lowered toward NASA's More

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians guide a lifting device into place around NASA's NuSTAR spacecraft. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1374

VANDENBERG AIR FORCE BASE, Calif. -- Inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California, technicians guide a lifting device into place around NASA's NuSTAR spacecraft. The s More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1379

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft is lifted inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining More

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft rests in the tilt-rotation fixture inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1384

VANDENBERG AIR FORCE BASE, Calif. -- NASA's NuSTAR spacecraft rests in the tilt-rotation fixture inside Orbital Sciences' processing facility at Vandenberg Air Force Base in California. The spacecraft will be r More

VANDENBERG AIR FORCE BASE, Calif. -- Technicians move the tilt-rotation fixture holding NASA's NuSTAR spacecraft inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1389

VANDENBERG AIR FORCE BASE, Calif. -- Technicians move the tilt-rotation fixture holding NASA's NuSTAR spacecraft inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft More

VANDENBERG AIR FORCE BASE, Calif. -- As a technician monitors the solar array deployment test at Vandenberg Air Force Base's processing facility in California, NuSTAR’s X-ray telescope is visible. The Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1358

VANDENBERG AIR FORCE BASE, Calif. -- As a technician monitors the solar array deployment test at Vandenberg Air Force Base's processing facility in California, NuSTAR’s X-ray telescope is visible. The Peg More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, technicians prepare NASA’s NuSTAR spacecraft to be lifted into a tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1367

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, technicians prepare NASA’s NuSTAR spacecraft to be lifted into a tilt-rotation fixture. The spacecraft will More

VANDENBERG AIR FORCE BASE, Calif. -- Technicians move the tilt-rotation fixture holding NASA's NuSTAR spacecraft inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1388

VANDENBERG AIR FORCE BASE, Calif. -- Technicians move the tilt-rotation fixture holding NASA's NuSTAR spacecraft inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The spacecraft More

VANDENBERG AIR FORCE BASE, Calif. -- NuSTAR’s X-ray telescope is visible during the solar array deployment test at Vandenberg Air Force Base's processing facility in California. The Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1360

VANDENBERG AIR FORCE BASE, Calif. -- NuSTAR’s X-ray telescope is visible during the solar array deployment test at Vandenberg Air Force Base's processing facility in California. The Pegasus will launch NAS More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, technicians prepare NASA’s NuSTAR spacecraft to be lifted into a tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1368

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, technicians prepare NASA’s NuSTAR spacecraft to be lifted into a tilt-rotation fixture. The spacecraft will More

VANDENBERG AIR FORCE BASE, Calif. -- With the Pegasus XL rocket and fairing inside Orbital Science's processing facility at Vandenberg Air Force Base in California, technicians watch the NuSTAR solar array test from inside a clean room environmental enclosure. The Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1366

VANDENBERG AIR FORCE BASE, Calif. -- With the Pegasus XL rocket and fairing inside Orbital Science's processing facility at Vandenberg Air Force Base in California, technicians watch the NuSTAR solar array test More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, technicians inside Orbital Sciences' processing facility prepare NASA's NuSTAR spacecraft and place it into a tilt-rotation fixture. The spacecraft will be rotated to horizontal for joining with the Pegasus XL rocket. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1370

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, technicians inside Orbital Sciences' processing facility prepare NASA's NuSTAR spacecraft and place it into a tilt-rotation fixtu More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, NASA’s NuSTAR spacecraft undergoes a solar array deployment test. The Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences’ L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1361

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base's processing facility in California, NASA’s NuSTAR spacecraft undergoes a solar array deployment test. The Pegasus will launch NASA's Nuclea More

VANDENBERG AIR FORCE BASE, Calif. -- Now inside a tilt-rotation fixture and covered in protective plastic, NASA's NuSTAR spacecraft is prepared for joining with the Pegasus XL rocket inside Orbital Sciences' processing facility at Vandenberg Air Force Base, Calif. The Orbital Sciences Pegasus will launch NASA's Nuclear Spectroscopic Telescope Array NuSTAR into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on Orbital's L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit science.nasa.gov/missions/nustar/. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1387

VANDENBERG AIR FORCE BASE, Calif. -- Now inside a tilt-rotation fixture and covered in protective plastic, NASA's NuSTAR spacecraft is prepared for joining with the Pegasus XL rocket inside Orbital Sciences' pr More

VANDENBERG AIR FORCE BASE, Calif. – Inside an environmental enclosure at Vandenberg Air Force Base's processing facility in California, technicians roll the turnover rotation fixture away from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, following its mating to an Orbital Sciences Pegasus XL rocket. The turnover rotation fixture was used to rotate the spacecraft into a horizontal position and supported it during mating operations. The uniting of the spacecraft with the rocket is a major milestone in prelaunch preparations. After processing of the rocket and spacecraft are complete, they will be flown on Orbital's L-1011 carrier aircraft from Vandenberg to the Ronald Reagan Ballistic Missile Defense Test Site on the Pacific Ocean’s Kwajalein Atoll for launch. The high-energy x-ray telescope will conduct a census of black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1525

VANDENBERG AIR FORCE BASE, Calif. – Inside an environmental enclosure at Vandenberg Air Force Base's processing facility in California, technicians roll the turnover rotation fixture away from NASA's Nuclear Sp More