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CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A leaving behind a billow of steam as it lifts off on its STS-135 mission to the International Space Station. Atlantis with its crew of four; Commander Chris Ferguson, Pilot Doug Hurley, Mission Specialists Sandy Magnus and Rex Walheim, lifted off at 11:29 a.m. EDT on July 8, 2011 to deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts for the International Space Station. Atlantis also will fly the Robotic Refueling Mission experiment that will investigate the potential for robotically refueling existing satellites in orbit. In addition, Atlantis will return with a failed ammonia pump module to help NASA better understand the failure mechanism and improve pump designs for future systems. STS-135 is the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Tony Gray and Kevin O'Connell KSC-2011-5422

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A leaving behind a billow of steam as it lifts off on its More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center, the external tank for space shuttle Atlantis is lowered toward the solid rocket boosters (the nose cone of one of the boosters is seen here) for mating. The tank and boosters will be secured on the mobile launcher platform below. Atlantis' STS-125 mission is the fifth and final shuttle servicing mission to NASA’s Hubble Space Telescope. Launch is targeted for Oct. 8. Photo credit: NASA/Jack Pfaller KSC-08pd2265

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center, the external tank for space shuttle Atlantis is lowered toward the solid rocket boosters (the nose cone of one of the boos More

KENNEDY SPACE CENTER, FLA. -- After leaving the Orbiter Processing Facility bay 2, the orbiter Endeavour, atop its transporter, rolls toward the Vehicle Assembly Building. In the VAB, it will be stacked with the external tank and solid rocket boosters atop the mobile launcher platform for its launch on mission STS-118. The mission will be Endeavour's first flight in more than four years. The shuttle has undergone extensive modifications, including the addition of safety upgrades already added to shuttles Discovery and Atlantis. Endeavour also features new hardware, such as the Station-to-Shuttle Power Transfer System that will allow the docked shuttle to draw electrical power from the station and extend its visits to the orbiting lab. Endeavour is targeted for launch on Aug. 7. Photo credit: NASA/Kim Shiflett KSC-07pd1709

KENNEDY SPACE CENTER, FLA. -- After leaving the Orbiter Processing Facility bay 2, the orbiter Endeavour, atop its transporter, rolls toward the Vehicle Assembly Building. In the VAB, it will be stacked with More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building transfer aisle at NASA's Kennedy Space Center, the overhead crane lifts space shuttle Atlantis from its transporter. Atlantis will be raised to vertical for transfer to high bay 3. There it will be stacked with its external fuel tank and twin solid rocket boosters. After additional preparations are made, the shuttle will be rolled out to Launch Pad 39A to prepare for launch on the STS-125 mission targeted for 1:34 a.m. EDT Oct. 8. Photo credit: NASA/Dimitri Gerondidakis KSC-08pd2487

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building transfer aisle at NASA's Kennedy Space Center, the overhead crane lifts space shuttle Atlantis from its transporter. Atlantis will be raised to vertical More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the external fuel tank for space shuttle Atlantis' STS-125 mission is moved out of the checkout cell. The tank will be lowered into high bay 3 onto the mobile launcher platform and attached to the solid rocket boosters already installed. Atlantis' STS-125 mission is the fifth and final shuttle servicing mission to NASA’s Hubble Space Telescope. Launch is targeted for May 12. Photo credit: NASA/Jack Pfaller KSC-2009-1166

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the external fuel tank for space shuttle Atlantis' STS-125 mission is moved out of the checkout cell. The tan More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery seems to be standing on the fiery columns erupting from the solid rocket boosters as it lifts off Launch Pad 39B on mission STS-116. Liftoff occurred at 8:47 p.m. EST. This was the second launch attempt for mission STS-116. The first launch attempt on Dec. 7 was postponed due a low cloud ceiling over Kennedy Space Center. This is Discovery's 33rd mission and the first night launch since 2002. The 20th shuttle mission to the International Space Station, STS-116 carries another truss segment, P5. It will serve as a spacer, mated to the P4 truss that was attached in September. After installing the P5, the crew will reconfigure and redistribute the power generated by two pairs of U.S. solar arrays. Landing is expected Dec. 21 at KSC. Photo credit: NASA/Regina Mitchell-Ryall & Tim Powers KSC-06pp2757

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery seems to be standing on the fiery columns erupting from the solid rocket boosters as it lifts off Launch Pad 39B on mission STS-116. Liftoff occurred at 8 More

CAPE CANAVERAL, Fla. – Space shuttle Discovery rolls to the Vehicle Assembly Building at NASA's Kennedy Space Center, Fla. The first motion of the shuttle out from Orbiter Processing Facility 3 was at 7:22 a.m. EDT. In the VAB, Discovery will be lifted into High Bay 1 and mated to the external fuel tank and solid rocket boosters already installed on the mobile launcher platform. The shuttle is scheduled to roll out to Launch Pad 39A the first week of August to prepare for the STS-128 mission to the International Space Station. Discovery will carry the Leonardo Multi-Purpose Logistics Module containing life support racks and science racks and the Lightweight Multi-Purpose Experiment Support Structure Carrier in its payload bay. Launch of Discovery is targeted for late August. Photo credit: NASA/Kim Shiflett KSC-2009-4241

CAPE CANAVERAL, Fla. – Space shuttle Discovery rolls to the Vehicle Assembly Building at NASA's Kennedy Space Center, Fla. The first motion of the shuttle out from Orbiter Processing Facility 3 was at 7:22 a.m More

KENNEDY SPACE CENTER, Fla. -- After a perfect on-time launch on mission STS-106 at 8:45:47 a.m. EDT, Space Shuttle Atlantis rolls and displays its external tank and solid rocket boosters. On the 11-day mission to the International Space Station, the seven-member crew will perform support tasks on orbit, transfer supplies and prepare the living quarters in the newly arrived Zvezda Service Module. The first long-duration crew, dubbed “Expedition One,” is due to arrive at the Station in late fall. Landing of Atlantis is targeted for 4:45 a.m. EDT on Sept. 19 KSC00padig035

KENNEDY SPACE CENTER, Fla. -- After a perfect on-time launch on mission STS-106 at 8:45:47 a.m. EDT, Space Shuttle Atlantis rolls and displays its external tank and solid rocket boosters. On the 11-day mission More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery arrives at Launch Pad 39A from the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about seven hours to complete the move atop a crawler-transporter. This is the second time Discovery has rolled out to the pad for the STS-133 mission, and comes after a thorough check and modifications to the shuttle's external tank. Targeted to liftoff Feb. 24, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Kim Shiflett KSC-2011-1281

CAPE CANAVERAL, Fla. -- Space shuttle Discovery arrives at Launch Pad 39A from the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. It took the shuttle, attached to its external fuel tank, t More

CAPE CANAVERAL, Fla. -- Technicians prepare shuttle Atlantis for its final planned move from Orbiter Processing Facility-1 to the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in Florida. The move called "rollover" is a major milestone in processing for the STS-135 mission to the International Space Station. Inside the VAB, the shuttle will be attached to its external fuel tank and solid rocket boosters. Commander Chris Ferguson, Pilot Doug Hurley and Mission Specialists Sandra Magnus and Rex Walheim are targeted to launch in early July, taking with them the Raffaello multipurpose logistics module packed with supplies, logistics and spare parts. The STS-135 mission also will fly a system to investigate the potential for robotically refueling existing spacecraft and return a failed ammonia pump module to help NASA better understand the failure mechanism and improve pump designs for future systems. STS-135 will be the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Frankie Martin KSC-2011-3652

CAPE CANAVERAL, Fla. -- Technicians prepare shuttle Atlantis for its final planned move from Orbiter Processing Facility-1 to the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in Florida. More

CAPE CANAVERAL, Fla. - With nearly 7 million pounds of thrust generated with the aid of twin solid rocket boosters, space shuttle Atlantis roars into the blue skies over Launch Pad 39A at NASA's Kennedy Space Center in Florida. Liftoff on its STS-129 mission came at 2:28 p.m. EST Nov. 16. Aboard are crew members Commander Charles O. Hobaugh; Pilot Barry E. Wilmore; and Mission Specialists Leland Melvin, Randy Bresnik, Mike Foreman and Robert L. Satcher Jr. On STS-129, the crew will deliver two ExPRESS Logistics Carriers to the International Space Station, the largest of the shuttle's cargo carriers, containing 15 spare pieces of equipment including two gyroscopes, two nitrogen tank assemblies, two pump modules, an ammonia tank assembly and a spare latching end effector for the station's robotic arm. Atlantis will return to Earth a station crew member, Nicole Stott, who has spent more than two months aboard the orbiting laboratory. STS-129 is slated to be the final space shuttle Expedition crew rotation flight. For information on the STS-129 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts129/index.html. Photo credit: NASA/Rusty Backer and Tom Farrar KSC-2009-6387

CAPE CANAVERAL, Fla. - With nearly 7 million pounds of thrust generated with the aid of twin solid rocket boosters, space shuttle Atlantis roars into the blue skies over Launch Pad 39A at NASA's Kennedy Space C More

CAPE CANAVERAL, Fla. -- Space shuttle Atlantis, attached to its external fuel tank and solid rocket boosters atop a mobile launcher platform, awaits its final journey from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. "Rollout," as it's called, began at 8:42 p.m. EDT. It will take the crawler-transporter about six hours to carry the shuttle stack to its seaside launch pad. The milestone move paves the way for the launch of the STS-135 mission to the International Space Station, targeted for July 8. STS-135 will be the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Kim Shiflett KSC-2011-4094

CAPE CANAVERAL, Fla. -- Space shuttle Atlantis, attached to its external fuel tank and solid rocket boosters atop a mobile launcher platform, awaits its final journey from the Vehicle Assembly Building to Launc More

CAPE CANAVERAL, Fla. - In the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in Florida, external fuel tank, ET-138, for space shuttle Atlantis' STS-135 mission, is lowered into high bay-1 for joining with the twin solid rocket boosters on the mobile launcher platform. Shuttle Atlantis' move, or "rollover," from Orbiter Processing Facility-1 to the VAB is targeted for May 10. Once there it will be mated with the external tank and boosters. Atlantis and its crew of four will deliver the Raffaello multipurpose logistics module packed with supplies and spare parts to the International Space Station. STS-135 is targeted to launch June 28, and will be the last spaceflight for the Space Shuttle Program. Photo credit: NASA/Jack Pfaller KSC-2011-3041

CAPE CANAVERAL, Fla. - In the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in Florida, external fuel tank, ET-138, for space shuttle Atlantis' STS-135 mission, is lowered into high bay-1 for j More

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida, technicians are documenting the installation of radius blocks to space shuttle Discovery's external fuel tank's support beams known as "stringers" near the intertank’s thrust panel area. The thrust panel is where the tank meets the two solid rocket boosters and sees the most stress during the flight into orbit. After the modifications and additional scans of the stringers are complete, foam insulation will be re-applied. Discovery's next launch opportunity to the International Space Station on the STS-133 mission is targeted for liftoff Feb. 24. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Jack Pfaller KSC-2011-1072

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida, technicians are documenting the installation of radius blocks to space shuttle Discovery's external fuel tank' More

CAPE CANAVERAL, Fla. – At NASA’s Kennedy Space Center in Florida, a twin set of space shuttle solid rocket boosters and an external fuel tank are being loaded on trucks for transport to separate museums. The solid rocket boosters, or SRBs, will be displayed at the California Science Center in Los Angeles. The external tank soon will be transported for display at the Wings of Dreams Aviation Museum at Keystone Heights Airport between Gainesville and Jacksonville, Fla. The 149-foot SRBs together provided six million pounds of thrust. The external fuel tank contained over 500,000 gallons of liquid hydrogen and liquid oxygen propellant for the shuttle orbiters' three main engines. The work is part of Transition and Retirement of the space shuttle. For more information, visit http://www.nasa.gov/transition Photo credit: NASA/ Dimitri Gerondidakis KSC-2012-4446

CAPE CANAVERAL, Fla. – At NASA’s Kennedy Space Center in Florida, a twin set of space shuttle solid rocket boosters and an external fuel tank are being loaded on trucks for transport to separate museums. T More

KENNEDY SPACE CENTER, FLA. -- In the transfer aisle of the Vehicle Assembly Building, space shuttle Endeavour is lifted off its transporter. The shuttle will be raised to a vertical position and lifted up into high bay 1 to be attached to its external fuel tank and solid rocket boosters in preparation for launch on the STS-123 mission, targeted for March 11. The mission will deliver the first section of the Japan Aerospace Exploration Agency's Kibo laboratory and the Canadian Space Agency's two-armed robotic system, Dextre. Photo credit: NASA/Dimitri Gerondidakis KSC-08pd0275

KENNEDY SPACE CENTER, FLA. -- In the transfer aisle of the Vehicle Assembly Building, space shuttle Endeavour is lifted off its transporter. The shuttle will be raised to a vertical position and lifted up int More

CAPE CANAVERAL, Fla. – Various vehicles escort space shuttle Atlantis as it crawls toward Launch Pad 39A at NASA's Kennedy Space Center. The shuttle stack, with solid rocket boosters and external fuel tank attached to Atlantis, rest on the mobile launcher platform. Movement is provided by the crawler-transporter underneath. First motion occurred at 9:19 a.m. EDT. The Sept. 2 rollout date was postponed due to Tropical Storm Hanna’s shift to a northern track. Atlantis is scheduled to launch on the STS-125 mission to service NASA’s Hubble Space Telescope. Launch is targeted for Oct. 8. Photo credit: NASA/Kim Shiflett KSC-08pd2540

CAPE CANAVERAL, Fla. – Various vehicles escort space shuttle Atlantis as it crawls toward Launch Pad 39A at NASA's Kennedy Space Center. The shuttle stack, with solid rocket boosters and external fuel tank at More

KENNEDY SPACE CENTER, FLA. -- The orbiter Endeavour, atop its transporter, rolls into the gaping doorway of the Vehicle Assembly Building. In the VAB, it will be stacked with the external tank and solid rocket boosters atop the mobile launcher platform for its launch on mission STS-118. The mission will be Endeavour's first flight in more than four years. The shuttle has undergone extensive modifications, including the addition of safety upgrades already added to shuttles Discovery and Atlantis. Endeavour also features new hardware, such as the Station-to-Shuttle Power Transfer System that will allow the docked shuttle to draw electrical power from the station and extend its visits to the orbiting lab. Endeavour is targeted for launch on Aug. 7. Photo credit: NASA/George Shelton KSC-07pd1707

KENNEDY SPACE CENTER, FLA. -- The orbiter Endeavour, atop its transporter, rolls into the gaping doorway of the Vehicle Assembly Building. In the VAB, it will be stacked with the external tank and solid rocket More

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, external fuel tank 130 is in place in high bay 2 where it will undergo checkout before stacking with the solid rocket boosters and space shuttle Atlantis for the STS-125 mission. The fuel tank was previously designated for the STS-127 mission. The STS-125 Hubble servicing mission is targeted to launch May 12. Photo credit: NASA/Tim Jacobs KSC-08pd3923

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, external fuel tank 130 is in place in high bay 2 where it will undergo checkout before stacking with the soli More

CAPE CANAVERAL, Fla. – Space shuttle Endeavour is ready for the rollover from Orbiter Processing Facility 2 to the Vehicle Assembly Building at NASA's Kennedy Space Center, Fla. The first motion of the shuttle out of its hangar was at 6:56 a.m. EDT. In the VAB, Endeavour will be lifted into High Bay 1 and mated to the external fuel tank and solid rocket boosters already installed on the mobile launcher platform. Endeavour is scheduled to roll out to Launch Pad 39B in about a week. Endeavour will be prepared on the pad for liftoff in the unlikely event that a rescue mission is necessary following space shuttle Atlantis' launch on the STS-125 mission to service the Hubble Space Telescope. After Atlantis is cleared to land, Endeavour will move to Launch Pad 39A for its upcoming STS-127 mission to the International Space Station, targeted to launch in mid-June. Photo credit: NASA/Jim Grossmann KSC-2009-2568

CAPE CANAVERAL, Fla. – Space shuttle Endeavour is ready for the rollover from Orbiter Processing Facility 2 to the Vehicle Assembly Building at NASA's Kennedy Space Center, Fla. The first motion of the shuttle More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a crane is enlisted to lift the external fuel tank for space shuttle Discovery's STS-131 mission, ET-135, into a test cell. The tank was delivered to Kennedy aboard the Pegasus barge from NASA's Michoud Assembly Facility on Dec. 26. The tank will remain in the test cell until it is transferred into a high bay for mating with the twin solid rocket boosters that will be used on the mission. Launch of the STS-131 mission to the International Space Station is targeted for March 18. For information on the STS-131 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts131/index.html. Photo credit: NASA/Glenn Benson KSC-2010-1066

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a crane is enlisted to lift the external fuel tank for space shuttle Discovery's STS-131 mission, ET-135, into More

CAPE CANAVERAL, Fla. - With nearly 7 million pounds of thrust generated by twin solid rocket boosters and three main engines, space shuttle Atlantis clears the tower on Launch Pad 39A at NASA's Kennedy Space Center in Florida. Liftoff on its STS-129 mission came at 2:28 p.m. EST Nov. 16. Aboard are crew members Commander Charles O. Hobaugh; Pilot Barry E. Wilmore; and Mission Specialists Leland Melvin, Randy Bresnik, Mike Foreman and Robert L. Satcher Jr. On STS-129, the crew will deliver two ExPRESS Logistics Carriers to the International Space Station, the largest of the shuttle's cargo carriers, containing 15 spare pieces of equipment including two gyroscopes, two nitrogen tank assemblies, two pump modules, an ammonia tank assembly and a spare latching end effector for the station's robotic arm. Atlantis will return to Earth a station crew member, Nicole Stott, who has spent more than two months aboard the orbiting laboratory. STS-129 is slated to be the final space shuttle Expedition crew rotation flight. For information on the STS-129 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts129/index.html. Photo credit: NASA/Tom Farrar and Tony Gray KSC-2009-6392

CAPE CANAVERAL, Fla. - With nearly 7 million pounds of thrust generated by twin solid rocket boosters and three main engines, space shuttle Atlantis clears the tower on Launch Pad 39A at NASA's Kennedy Space Ce More

CAPE CANAVERAL, Fla. -- Operations are under way to roll the protective rotating service structure, at left, around space shuttle Endeavour upon its arrival at Launch Pad 39A at NASA's Kennedy Space Center in Florida. Riding atop a crawler-transporter attached to its external fuel tank and solid rocket boosters, Endeavour's 3.4-mile trek, known as "rollout," began at the Vehicle Assembly Building at 7:56 p.m. EST March 10 and ended at 3:49 a.m. EST, nearly eight hours later. This is Endeavour's final scheduled rollout. Endeavour and its six-member crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station on the shuttle's final spaceflight, STS-134. Launch is targeted for 7:48 p.m. EDT April 19. For more information, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller KSC-2011-2239

CAPE CANAVERAL, Fla. -- Operations are under way to roll the protective rotating service structure, at left, around space shuttle Endeavour upon its arrival at Launch Pad 39A at NASA's Kennedy Space Center in F More

CAPE CANAVERAL, Fla. – Tom Engler, deputy director of the Center Planning and Development Directorate at Kennedy Space Center, speaks to members of the media during an Open House event at Hangar N at Cape Canaveral Air Force Station in Florida, to celebrate the one-year anniversary of PaR Systems' partnership with Kennedy. Under a 15-year lease agreement, PaR Systems is utilizing Hangar N and its unique nondestructive testing equipment. Behind Engler is the robotic inspection cell that contains an automated X-ray system once used to scan the aft skirts of the solid rocket boosters for the space shuttle. The partnership agreement was established by Kennedy's Center Planning and Development Directorate. The agreement is just one example of the types of partnerships that Kennedy is seeking to create a multi-user spaceport. Photo credit: NASA/Cory Huston KSC-2014-1939

CAPE CANAVERAL, Fla. – Tom Engler, deputy director of the Center Planning and Development Directorate at Kennedy Space Center, speaks to members of the media during an Open House event at Hangar N at Cape Canav More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October. Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jim Grossmann KSC-2010-4709

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i More

CAPE CANAVERAL, Fla. -- Towed on its 76-wheeled orbiter transporter, space shuttle Discovery rolls into the transfer aisle of the Vehicle Assembly Building at NASA's Kennedy Space Center. Discovery will be raised to vertical and lifted into high bay 3 for attachment to its external fuel tank and solid rocket boosters in preparation for its upcoming STS-124 mission to the International Space Station. On the mission, the STS-124 crew will transport the Japanese Experiment Module - Pressurized Module and the Japanese Remote Manipulator System to the space station. Launch of Discovery is targeted for May 31. Photo credit: NASA/Troy Cryder KSC-08pd1029

CAPE CANAVERAL, Fla. -- Towed on its 76-wheeled orbiter transporter, space shuttle Discovery rolls into the transfer aisle of the Vehicle Assembly Building at NASA's Kennedy Space Center. Discovery will be ra More

CAPE CANAVERAL, Fla. -- A technician takes computed radiography scans of space shuttle Discovery's external fuel tank. The shuttle stack, consisting of the shuttle, external tank and solid rocket boosters, was moved from Launch Pad 39A to the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida so technicians could examine 21-foot-long support beams, called stringers, on the outside of the tank's intertank and re-apply foam insulation. Discovery's next launch opportunity to the International Space Station on the STS-133 mission is no earlier than Feb. 3, 2011. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Frankie Martin KSC-2010-5959

CAPE CANAVERAL, Fla. -- A technician takes computed radiography scans of space shuttle Discovery's external fuel tank. The shuttle stack, consisting of the shuttle, external tank and solid rocket boosters, was More

KENNEDY SPACE CENTER, FLA. - After rollback of the rotating service structure, or RSS, on Launch Pad 39A, Space Shuttle Endeavour stands bathed in spotlights. Rollback started at 9 p.m. EDT Aug. 7 and was complete at 10:40 p.m. Beneath the shuttle is the mobile launcher platform, which spans the flame trench below. The flame deflector system includes an inverted, V-shaped steel structure that receives and deflects the flames from the orbiter main engines on one side; the opposite side deflects the flames from the solid rocket boosters. The RSS provides protected access to the orbiter for changeout and servicing of payloads at the pad. Rollback of the pad's RSS is one of the milestones in preparation for the launch of mission STS-118 at 6:36 p.m. EDT on Aug. 8. Space Shuttle Endeavour's STS-118 mission is the 22nd shuttle flight to the International Space Station. It will continue space station construction by delivering a third starboard truss segment, S5, and other payloads such as the SPACEHAB module and the external stowage platform 3. Photo credit: NASA/Kim Shiflett KSC-07pd2225

KENNEDY SPACE CENTER, FLA. - After rollback of the rotating service structure, or RSS, on Launch Pad 39A, Space Shuttle Endeavour stands bathed in spotlights. Rollback started at 9 p.m. EDT Aug. 7 and was compl More

KENNEDY SPACE CENTER, FLA. -- This 30-second timed exposure captures the bright lights around the Vehicle Assembly Building (VAB) plus the equally bright moon (upper right) as Space Shuttle Atlantis (far left) rolls out of the east side bay 1. The Launch Control Center sits between the Shuttle and the VAB. The full stack of Shuttle, solid rocket boosters and external tank are taking part in a fit check for the newly renovated crawlerway and high bay 2, which is on the west side. The major modifications to the crawlerway and VAB provide Shuttle flight hardware more storage space and protection - "Safe Haven" - from hurricanes or tropical storms. Atlantis began moving out of VAB high bay 1 at 2:59 a.m. EDT. After the successful Safe Haven fit check, Shuttle Atlantis is scheduled to roll out to Launch Pad 39B in preparation for the STS-106 launch on Sept. 8. KSC-00pp1127

KENNEDY SPACE CENTER, FLA. -- This 30-second timed exposure captures the bright lights around the Vehicle Assembly Building (VAB) plus the equally bright moon (upper right) as Space Shuttle Atlantis (far left) More

The brilliant exhaust from the solid rocket boosters (center) and blue mach diamonds from the main engine nozzles mark the perfect launch of Space Shuttle Endeavour from Launch Pad 39A. Launch of Endeavour into a clear blue Florida sky occurred at 12:43:40 p.m. EST. Known as the Shuttle Radar Topography Mission (SRTM), STS-99 will chart a new course to produce unrivaled 3-D images of the Earth's surface. The result of the SRTM could be close to 1 trillion measurements of the Earth's topography. The mission is expected to last 11days, with Endeavour landing at KSC Tuesday, Feb. 22, at 4:36 p.m. EST. This is the 97th Shuttle flight and 14th for Shuttle Endeavour KSC00pp0230

The brilliant exhaust from the solid rocket boosters (center) and blue mach diamonds from the main engine nozzles mark the perfect launch of Space Shuttle Endeavour from Launch Pad 39A. Launch of Endeavour into More

KENNEDY SPACE CENTER, FLA. -- Inside the Orbiter Processing Facility, space shuttle Endeavour settles on its transporter for the trip to the Vehicle Assembly Building. In high bay 1 of the VAB, Endeavour will be attached to its external fuel tank and solid rocket boosters in preparation for its upcoming mission, STS-123, to the International Space Station targeted for March 11. The mission will deliver the first section of the Japan Aerospace Exploration Agency's Kibo laboratory and the Canadian Space Agency's two-armed robotic system, Dextre. Photo credit: NASA/Jim Grossmann KSC-08pd0264

KENNEDY SPACE CENTER, FLA. -- Inside the Orbiter Processing Facility, space shuttle Endeavour settles on its transporter for the trip to the Vehicle Assembly Building. In high bay 1 of the VAB, Endeavour will More

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Atlantis is lifted by an overhead crane and moved into a high bay where it will be attached to its external fuel tank and solid rocket boosters which are already on the mobile launcher platform. Commander Chris Ferguson, Pilot Doug Hurley and Mission Specialists Sandra Magnus and Rex Walheim are expected to launch in mid-July, taking with them the Raffaello multi-purpose logistics module packed with supplies, logistics and spare parts. The STS-135 mission also will fly a system to investigate the potential for robotically refueling existing spacecraft and return a failed ammonia pump module to help NASA better understand the failure mechanism and improve pump designs for future systems. STS-135 will be the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Dimitri Gerondidakis KSC-2011-3822

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Atlantis is lifted by an overhead crane and moved into a high bay where it will be attached to its ext More

KENNEDY SPACE CENTER, Fla. -- Twin columns of flame from the solid rocket boosters illuminate the clouds of smoke and steam as Space Shuttle Discovery lifts off on mission STS-92, the fifth construction flight for the International Space Station. The perfect on-time liftoff occurred at 7:17 p.m. EDT, sending a crew of seven on the 100th launch in the history of the Shuttle program. Discovery carries a payload that includes the Integrated Truss Structure Z-1, first of 10 trusses that will form the backbone of the Space Station, and the third Pressurized Mating Adapter that will provide a Shuttle docking port for solar array installation on the sixth Station flight and Lab installation on the seventh Station flight. Discovery’s landing is expected Oct. 22 at 2:10 p.m. EDT KSC-00pp1551

KENNEDY SPACE CENTER, Fla. -- Twin columns of flame from the solid rocket boosters illuminate the clouds of smoke and steam as Space Shuttle Discovery lifts off on mission STS-92, the fifth construction flight More

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour, attached to its external fuel tank and solid rocket boosters atop a crawler-transporter, is ready for its slow move from High Bay 3 in the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. The 3.4-mile trek, known as "rollout," will take about seven hours to complete. This is the final scheduled rollout for Endeavour. Endeavour and its six STS-134 crew members will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station on the shuttle's final spaceflight. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann KSC-2011-2214

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour, attached to its external fuel tank and solid rocket boosters atop a crawler-transporter, is ready for its slow move from High Bay 3 in the Vehicle Assembly Build More

CAPE CANAVERAL, Fla. – The external fuel tank for space shuttle Atlantis' STS-129 mission is being lifted from the checkout cell of NASA Kennedy Space Center's Vehicle Assembly Building for transfer into high bay 2 and assembly with the solid rocket boosters already stacked on the mobile launch platform. The STS-129 mission is targeted to launch Nov. 12 on an 11-day supply mission to the International Space Station. Photo credit: NASA/Jim Grossmann KSC-2009-5179

CAPE CANAVERAL, Fla. – The external fuel tank for space shuttle Atlantis' STS-129 mission is being lifted from the checkout cell of NASA Kennedy Space Center's Vehicle Assembly Building for transfer into high b More

CAPE CANAVERAL, Fla. – In Orbiter Processing Facility 1 at NASA’s Kennedy Space Center in Florida, workers monitor the progress of space shuttle Atlantis as it backs out of its hangar for its move to the Vehicle Assembly Building. The rollover began about 7 a.m. EDT and was complete at 8:25 a.m. when Atlantis was towed into the VAB's transfer aisle. Next, Atlantis will be lifted over a transom and lowered into the VAB's high bay 1, where it will be attached to its external fuel tank and solid rocket boosters. Rollout of the shuttle stack to Kennedy’s Launch Pad 39A, a significant milestone in launch processing activities, is planned for Oct. 13. Liftoff of Atlantis on its STS-129 mission to the International Space Station is targeted for 4:04 p.m. EST during a 10-minute launch window on Nov. 12. For information on the STS-129 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts129/index.html. Photo credit: NASA/Jack Pfaller KSC-2009-5320

CAPE CANAVERAL, Fla. – In Orbiter Processing Facility 1 at NASA’s Kennedy Space Center in Florida, workers monitor the progress of space shuttle Atlantis as it backs out of its hangar for its move to the Vehicl More

CAPE CANAVERAL, Fla. - The giant external fuel tank and twin solid rocket boosters attached to space shuttle Endeavour bask in the sunlight as the rotating service structure (RSS) moves away on Launch Pad 39A at NASA's Kennedy Space Center in Florida. The structure provides weather protection and access to the shuttle while it awaits lift off on the pad. RSS "rollback," as it's called, began at 11:44 a.m. EDT on May 15 and was completed at 12:24 p.m. STS-134 will deliver the Alpha Magnetic Spectrometer-2 (AMS), Express Logistics Carrier-3, a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the International Space Station. May 16 at 8:56 a.m. will be the second launch attempt for Endeavour. The first attempt on April 29 was scrubbed because of an issue associated with a faulty power distribution box called the aft load control assembly-2 (ALCA-2). STS-134 will be the final spaceflight for Endeavour. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller KSC-2011-3551

CAPE CANAVERAL, Fla. - The giant external fuel tank and twin solid rocket boosters attached to space shuttle Endeavour bask in the sunlight as the rotating service structure (RSS) moves away on Launch Pad 39A a More

CAPE CANAVERAL, Fla. - Workers move the Orbiter Transporter System (OTS) into Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. The OTS will be moved under shuttle Atlantis for its rollover to the nearby Vehicle Assembly Building (VAB). Once inside the VAB, Atlantis will be joined to its solid rocket boosters and external fuel tank on the mobile launcher platform. Later this month, Atlantis is scheduled to "rollout" to Launch Pad 39A on the STS-135 mission, which will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts to the International Space Station. STS-135, targeted to launch June 28, will be the 33rd flight of Atlantis, the 37th shuttle mission to the station, and the 135th and final mission of NASA's Space Shuttle Program. For more information, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. NASA/Jack Pfaller KSC-2011-3350

CAPE CANAVERAL, Fla. - Workers move the Orbiter Transporter System (OTS) into Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. The OTS will be moved under shuttle Atlantis for its rollov More

CAPE CANAVERAL, Fla. -- Repair work to space shuttle Discovery's external fuel tank begins in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. Technicians will modify 32 support beams, called stringers, on the tank's intertank region by fitting pieces of metal, called radius blocks, over the stringers' edges where they attach to the thrust panel area. The thrust panel is where the tank meets the two solid rocket boosters and sees the most stress during the flight into orbit. After the modifications and additional scans of the stringers are complete, foam insulation will be re-applied. Discovery's next launch opportunity to the International Space Station on the STS-133 mission is no earlier than Feb. 3, 2011. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Jack Pfaller KSC-2011-1000

CAPE CANAVERAL, Fla. -- Repair work to space shuttle Discovery's external fuel tank begins in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. Technicians will modify 32 support beams, c More

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, members of the news media are briefed on the agency's Space Launch System SLS Program Todd May, program manager for Space Launch Systems SLS at NASA's Marshall Space Flight Center in Huntsville, Alabama. The briefing took place in the spaceport's Booster Fabrication Facility BFF. During the Space Shuttle Program, the facility was used for processing forward segments and aft skirts for the solid rocket boosters. The BFF will serve a similar role for the SLS. Orion is the exploration spacecraft designed to carry astronauts to destinations not yet explored by humans, including an asteroid and Mars. It will have emergency abort capability, sustain the crew during space travel and provide safe re-entry from deep space return velocities. The first unpiloted flight test of Orion is scheduled to launch Dec. 4, 2014 atop a United Launch Alliance Delta IV Heavy rocket, and in 2018 on NASA’s Space Launch System rocket. For more information, visit www.nasa.gov/orion Photo credit: NASA/Kim Shiflett KSC-2014-4616

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, members of the news media are briefed on the agency's Space Launch System SLS Program Todd May, program manager for Space Launch Systems SLS at More

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, space shuttle Atlantis, attached to its external tank and solid rocket boosters atop a mobile launcher platform, arrives at Launch Complex 39A. First motion on the 3.4-mile trip from the Vehicle Assembly Building, known as rollout, was at 6:38 a.m. EDT Oct. 14. The rollout took about six hours, and the shuttle was secure on the pad at 1:31 p.m. Liftoff of Atlantis on its STS-129 mission to the International Space Station is targeted for Nov. 12. For information on the STS-129 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts129/index.html. Photo credit: NASA/Kim Shiflett KSC-2009-5438

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, space shuttle Atlantis, attached to its external tank and solid rocket boosters atop a mobile launcher platform, arrives at Launch Complex 39A. More

KENNEDY SPACE CENTER, FLA. -- In NASA's Vehicle Assembly Building, orbiter Discovery is in place on the mobile launcher platform after being lowered into high bay 3 for mating with its external tank and solid rocket boosters. Space Shuttle Discovery is expected to roll out to Launch Pad 39B later this week via the crawler-transporter. Launch of Discovery on mission STS-121 is scheduled to take place in a window extending July 1 to July 19. Photo credit: NASA/Jim Grossmann KSC-06pd0833

KENNEDY SPACE CENTER, FLA. -- In NASA's Vehicle Assembly Building, orbiter Discovery is in place on the mobile launcher platform after being lowered into high bay 3 for mating with its external tank and solid More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, shuttle Discovery is ushered into the Vehicle Assembly Building (VAB) from Orbiter Processing Facility-3 during a move known as "rollover." Once inside the VAB, the shuttle will be joined to its solid rocket boosters and external fuel tank. Later this month, Discovery is scheduled to "rollout" to Launch Pad 39A for its launch to the International Space Station on the STS-133 mission. Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the station. Photo credit: NASA/ Dimitri Gerondidakis KSC-2010-4605

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, shuttle Discovery is ushered into the Vehicle Assembly Building (VAB) from Orbiter Processing Facility-3 during a move known as "rollover." Onc More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tank behind it flanked by twin solid rocket boosters. On either side of Endeavour's tail and main engines are the tail service masts that support the fluid,, gas and electrical requirements of the orbiter's liquid oxyen and liquid hydrogen aft T-0 umbilicals. Mission STS-111 is designated UF-2, the 14th assembly flight to the International Space Station. Endeavour's payload includes the Multi-Purpose Logistics Module Leonardo and Mobile Base System. The mission also will swap resident crews on the Station, carrying the Expedition 5 crew and returning to Earth Expedition 4. Liftoff of Endeavour is scheduled between 4 and 8 p.m. May 30, 2002 KSC-02pd0591

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tank More

KENNEDY SPACE CENTER, FLA. -- In high bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Atlantis is lowered alongside the external tank and solid rocket boosters waiting below, already secured atop the mobile launcher platform. On this mission, Atlantis will deliver the Columbus module to the International Space Station. The European Space Agency's largest contribution to the station, Columbus is a multifunctional, pressurized laboratory that will be permanently attached to U.S. Node 2, called Harmony. The module is approximately 23 feet long and 15 feet wide, allowing it to hold 10 large racks of experiments. The laboratory will expand the research facilities aboard the station, providing crew members and scientists from around the world the ability to conduct a variety of experiments in the physical, materials and life sciences. Mission STS-122 is targeted for launch on Dec. 6. Photo credit: NASA/George Shelton KSC-07pd3099

KENNEDY SPACE CENTER, FLA. -- In high bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Atlantis is lowered alongside the external tank and solid rocket boosters waiting below More

KENNEDY SPACE CENTER, FLA. - As the orbiter Discovery, sitting on an orbiter transporter, moves away from NASA's Orbiter Processing Facility toward the Vehicle Assembly Building (VAB), workers accompany the vehicle. The rollover to the VAB marks the start of the journey to the launch pad and, ultimately, launch. Once inside the VAB, Discovery will be raised to vertical and lifted up and over into high bay 3 for stacking with its redesigned external tank and twin solid rocket boosters. The rollout of Space Shuttle Discovery to Launch Pad 39B is expected in approximately a week. Launch of Discovery on mission STS-121 is scheduled to take place in a window extending July 1 to July 19. Photo credit: NASA/Jim Grossmann KSC-06pd0818

KENNEDY SPACE CENTER, FLA. - As the orbiter Discovery, sitting on an orbiter transporter, moves away from NASA's Orbiter Processing Facility toward the Vehicle Assembly Building (VAB), workers accompany the veh More

KENNEDY SPACE CENTER, FLA. - In the Vehicle Assembly Building, the external tank designated for Space Shuttle Discovery is lowered into high bay 3. There it will be stacked with the solid rocket boosters already in place on the mobile launcher platform. Discovery is scheduled to launch on mission STS-121 in July. Photo credit: NASA/Amanda Diller KSC-06pd0725

KENNEDY SPACE CENTER, FLA. - In the Vehicle Assembly Building, the external tank designated for Space Shuttle Discovery is lowered into high bay 3. There it will be stacked with the solid rocket boosters alre More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A leaving behind a billow of steam as it lifts off on its STS-135 mission to the International Space Station. Atlantis with its crew of four; Commander Chris Ferguson, Pilot Doug Hurley, Mission Specialists Sandy Magnus and Rex Walheim, lifted off at 11:29 a.m. EDT on July 8, 2011 to deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts for the International Space Station. Atlantis also will fly the Robotic Refueling Mission experiment that will investigate the potential for robotically refueling existing satellites in orbit. In addition, Atlantis will return with a failed ammonia pump module to help NASA better understand the failure mechanism and improve pump designs for future systems. STS-135 is the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Tony Gray and Kevin O'Connell KSC-2011-5421

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A leaving behind a billow of steam as it lifts off on its More

CAPE CANAVERAL, Fla. -- Space shuttle Atlantis, attached to its external fuel tank and solid rocket boosters atop a mobile launcher platform, makes its final debut outside the Vehicle Assembly Building. "Rollout," as it's called, to Launch Pad 39A at NASA's Kennedy Space Center in Florida began at 8:42 p.m. EDT. It will take the crawler-transporter about six hours to carry the shuttle stack to its seaside launch pad. The milestone move paves the way for the launch of the STS-135 mission to the International Space Station, targeted for July 8. STS-135 will be the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Kim Shiflett KSC-2011-4105

CAPE CANAVERAL, Fla. -- Space shuttle Atlantis, attached to its external fuel tank and solid rocket boosters atop a mobile launcher platform, makes its final debut outside the Vehicle Assembly Building. "Rollou More

CAPE CANAVERAL, Fla. -- Thousands of spectators came out to watch space shuttle Atlantis' historic final journey from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. First motion was at 8:42 p.m. EDT. It will take the crawler-transporter about six hours to carry the shuttle, attached to its external fuel tank and solid rocket boosters, to the seaside launch pad. The milestone move paves the way for the launch of the STS-135 mission to the International Space Station, targeted for July 8. STS-135 will be the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Jim Grossmann KSC-2011-4123

CAPE CANAVERAL, Fla. -- Thousands of spectators came out to watch space shuttle Atlantis' historic final journey from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. F More

CAPE CANAVERAL, Fla. - In the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in Florida, external fuel tank, ET-138, for space shuttle Atlantis' STS-135 mission, is positioned between the twin solid rocket boosters on the mobile launcher platform in high bay-1. Shuttle Atlantis' move, or "rollover," from Orbiter Processing Facility-1 to the VAB is targeted for May 10. Once there it will be mated with the external tank and boosters. Atlantis and its crew of four will deliver the Raffaello multipurpose logistics module packed with supplies and spare parts to the International Space Station. STS-135 is targeted to launch June 28, and will be the last spaceflight for the Space Shuttle Program. Photo credit: NASA/Jack Pfaller KSC-2011-3053

CAPE CANAVERAL, Fla. - In the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in Florida, external fuel tank, ET-138, for space shuttle Atlantis' STS-135 mission, is positioned between the twin s More

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour is firmly attached to its external fuel tank and solid rocket boosters in a high bay of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. Endeavour is targeted to roll out to Kennedy's Launch Pad 39A for its final mission, STS-134, on March 9. Endeavour and the six-member crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett KSC-2011-2041

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour is firmly attached to its external fuel tank and solid rocket boosters in a high bay of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. E More

KENNEDY SPACE CENTER, Fla. -- Bare branches frame the liftoff of Space Shuttle Atlantis on mission STS-106 to the International Space Station. Billows of smoke and steam are illuminated by the flames of the solid rocket boosters. The perfect on-time liftoff of Atlantis occurred at 8:45:47 a.m. EDT. On the 11-day mission to the International Space Station, the seven-member crew will perform support tasks on orbit, transfer supplies and prepare the living quarters in the newly arrived Zvezda Service Module. The first long-duration crew, dubbed “Expedition One,” is due to arrive at the Station in late fall. Landing of Atlantis is targeted for 4:45 a.m. EDT on Sept. 19 KSC00pp1265

KENNEDY SPACE CENTER, Fla. -- Bare branches frame the liftoff of Space Shuttle Atlantis on mission STS-106 to the International Space Station. Billows of smoke and steam are illuminated by the flames of the sol More

KENNEDY SPACE CENTER, FLA. -- An overhead crane lowers a solid rocket booster segment toward a railroad car at the railroad yard at NASA's Kennedy Space Center. The yellow transportation end cover has already been inserted and is secure. The spent segment is part of the booster used to launch space shuttle Discovery in October. The segment will be placed on the car and covered for the long trip back to Utah. After a mission, the spent boosters are recovered, cleaned, disassembled, refurbished and reused after each launch. After hydrolasing the interior of each segment, they are placed on flatbed trucks. The individual booster segments are transferred to a railhead located at the railroad yard at NASA's Kennedy Space Center. The long train of segments is part of the twin solid rocket boosters used to launch space shuttle Discovery in October. The NASA Railroad locomotive backs up the rail cars and the segment is lowered onto the car. The covered segments are moved to Titusville for interchange with Florida East Coast Railway to begin the trip back to Utah. Photo credit: NASA/Amanda Diller KSC-07pd3461

KENNEDY SPACE CENTER, FLA. -- An overhead crane lowers a solid rocket booster segment toward a railroad car at the railroad yard at NASA's Kennedy Space Center. The yellow transportation end cover has already More

CAPE CANAVERAL, Fla. – At NASA’s Kennedy Space Center in Florida, a full-size mock-up of the Orion spacecraft and launch abort system were transported to the Kennedy Space Center Visitor Complex. In the background are full-size replicas of the external fuel tank and solid rocket boosters that mark the entranceway to the new Space Shuttle Atlantis exhibit. Crane operators and technicians practice de-stacking operations on mock-ups of Orion and the launch abort system in the Vehicle Assembly Building in order to keep processing procedures and skills current. Orion is the exploration spacecraft designed to carry crews to space beyond low Earth orbit. It will provide emergency abort capability, sustain the crew during the space travel and provide safe re-entry from deep space return velocities. Orion’s first unpiloted test flight is scheduled to launch in 2014 atop a Delta IV rocket. A second uncrewed flight test is scheduled for 2017 on NASA’s Space Launch System rocket. For more information, visit http://www.nasa.gov/orion. Photo credit: NASA/Jim Grossmann KSC-2013-2903

CAPE CANAVERAL, Fla. – At NASA’s Kennedy Space Center in Florida, a full-size mock-up of the Orion spacecraft and launch abort system were transported to the Kennedy Space Center Visitor Complex. In the backgro More

KENNEDY SPACE CENTER, FLA. -- For the fourth time in Space Shuttle Program history, 350,000 gallons of water are released on a Mobile Launcher Platform (MLP) at Launch Pad 39A during a water sound suppression test. Because of the unusual event, media and workers watch from nearby vantage points on the Fixed Service Structure (left). This test is being conducted following the replacement of the six main system valves, which had been in place since the beginning of the Shuttle Program and had reached the end of their service life. Also, the hydraulic portion of the valve actuators has been redesigned and simplified to reduce maintenance costs. The sound suppression water system is installed on the launch pads to protect the orbiter and its payloads from damage by acoustical energy reflected from the MLP during launch. The system includes an elevated water tank with a capacity of 300,000 gallons. The tank is 290 feet high and stands on the northeast side of the Pad. The water is released for launch just before the ignition of the orbiter's three main engines and twin solid rocket boosters, and flows through parallel 7-foot-diameter pipes to the Pad area. KSC-04pd1066

KENNEDY SPACE CENTER, FLA. -- For the fourth time in Space Shuttle Program history, 350,000 gallons of water are released on a Mobile Launcher Platform (MLP) at Launch Pad 39A during a water sound suppression t More

CAPE CANAVERAL, Fla. – In High Bay 1 in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, space shuttle Endeavour hovers over the mobile launcher platform to which its external fuel tank and solid rocket boosters are secured. Next, Endeavour will be attached to the tank to complete the shuttle stack. Rollout of the stack to Kennedy’s Launch Pad 39A, a significant milestone in launch processing activities, is planned for early January 2010. The Italian-built Tranquility module, the primary payload for Endeavour's STS-130 mission, will be installed in the payload bay after the shuttle arrives at the pad. Launch is targeted for early February. For information on the STS-130 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts130/index.html. Photo credit: NASA/Jack Pfaller KSC-2009-6777

CAPE CANAVERAL, Fla. – In High Bay 1 in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, space shuttle Endeavour hovers over the mobile launcher platform to which its external fuel tank More

CAPE CANAVERAL, Fla. – A view from inside the new “Space Shuttle Atlantis” exhibit at the Kennedy Space Center Visitor Complex in Florida, shows the buildup of the replica solid rocket boosters and external fuel tank are nearly complete near the entrance. Atlantis is being prepared for display in the 90,000-square-foot facility, scheduled to open June 29, 2013. The new $100 million facility will include interactive exhibits that tell the story of the 30-year Space Shuttle Program and highlight the future of space exploration. Visitors to the exhibit will get an up close look at Atlantis with its payload bay doors open, similar to how it looked in space. Photo credit: NASA/Jim Grossmann KSC-2013-2590

CAPE CANAVERAL, Fla. – A view from inside the new “Space Shuttle Atlantis” exhibit at the Kennedy Space Center Visitor Complex in Florida, shows the buildup of the replica solid rocket boosters and external fue More

KENNEDY SPACE CENTER, FLA. - In the transfer aisle of the Vehicle Assembly Building, an overhead crane and sling raise Atlantis off its transporter in preparation for lifting it to a vertical position. Atlantis then will be lifted into high bay 3 for stacking with the external tank and solid rocket boosters already installed on the mobile launcher platform. After mating with the external tank and boosters, Atlantis will undergo a shuttle interface test and other prelaunch processing. Atlantis' launch window begins Aug. 28. During its 11-day mission to the International Space Station, the STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Kim Shiflett KSC-06pd1657

KENNEDY SPACE CENTER, FLA. - In the transfer aisle of the Vehicle Assembly Building, an overhead crane and sling raise Atlantis off its transporter in preparation for lifting it to a vertical position. Atla More

KENNEDY SPACE CENTER, FLA. -- In high bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Atlantis is lowered toward the external tank and solid rocket boosters waiting below, already secured atop the mobile launcher platform. On this mission, Atlantis will deliver the Columbus module to the International Space Station. The European Space Agency's largest contribution to the station, Columbus is a multifunctional, pressurized laboratory that will be permanently attached to U.S. Node 2, called Harmony. The module is approximately 23 feet long and 15 feet wide, allowing it to hold 10 large racks of experiments. The laboratory will expand the research facilities aboard the station, providing crew members and scientists from around the world the ability to conduct a variety of experiments in the physical, materials and life sciences. Mission STS-122 is targeted for launch on Dec. 6. Photo credit: NASA/George Shelton KSC-07pd3097

KENNEDY SPACE CENTER, FLA. -- In high bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Atlantis is lowered toward the external tank and solid rocket boosters waiting below, a More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery's external fuel tank is being prepared for computed radiography scans inside the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. The shuttle stack, consisting of the shuttle, external tank and solid rocket boosters, was moved off Launch Pad 39A so technicians could examine 21-foot-long support beams, called stringers, on the outside of the tank's intertank and re-apply foam insulation. Discovery's next launch opportunity to the International Space Station on the STS-133 mission is no earlier than Feb. 3, 2011. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Frankie Martin KSC-2010-5956

CAPE CANAVERAL, Fla. -- Space shuttle Discovery's external fuel tank is being prepared for computed radiography scans inside the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. The shuttle More

CAPE CANAVERAL, Fla. -- Workers monitor space shuttle Discovery as it arrives at Launch Pad 39A from the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about seven hours to complete the move atop a crawler-transporter. This is the second time Discovery has rolled out to the pad for the STS-133 mission, and comes after a thorough check and modifications to the shuttle's external tank. Targeted to liftoff Feb. 24, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Kim Shiflett KSC-2011-1282

CAPE CANAVERAL, Fla. -- Workers monitor space shuttle Discovery as it arrives at Launch Pad 39A from the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. It took the shuttle, attached to its More

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, space shuttle Discovery is lowered alongside the external fuel tank and solid rocket boosters already stacked on the mobile launcher platform. Discovery will be mated with the stack. After additional preparations are made, the shuttle will be rolled out to Launch Pad 39A for a targeted launch on Feb. 12. Discovery will carry the final starboard truss (S6) in the assembly of the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2009-1055

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, space shuttle Discovery is lowered alongside the external fuel tank and solid rocket boosters already stacked More

KENNEDY SPACE CENTER, FLA. -- External tank No. 120 is suspended vertically above the transfer aisle of the Vehicle Assembly Building at KSC. The tank will next be lifted into a checkout cell. ET-120 will be prepared for stacking with solid rocket boosters to launch Space Shuttle Discovery on mission STS-120 in October. The mission is the 23rd to the International Space Station and will launch an Italian-built, U.S. multi-port module known as Harmony for the station. Christened after a school contest, Harmony will provide attachment points for European and Japanese laboratory modules. NASA/George Shelton KSC-07pd2150

KENNEDY SPACE CENTER, FLA. -- External tank No. 120 is suspended vertically above the transfer aisle of the Vehicle Assembly Building at KSC. The tank will next be lifted into a checkout cell. ET-120 will be More

CAPE CANAVERAL, Fla. -- Shuttle Atlantis' three main engines take center stage in this image as Atlantis is being moved to the Vehicle Assembly Building (VAB) from Orbiter Processing Faciity-1 at NASA's Kennedy Space Center in Florida. The move called "rollover" is a major milestone in processing for the STS-135 mission to the International Space Station. Inside the VAB, the shuttle will be attached to its external fuel tank and solid rocket boosters. Commander Chris Ferguson, Pilot Doug Hurley and Mission Specialists Sandra Magnus and Rex Walheim are targeted to launch in early July, taking with them the Raffaello multipurpose logistics module packed with supplies, logistics and spare parts. The STS-135 mission also will fly a system to investigate the potential for robotically refueling existing spacecraft and return a failed ammonia pump module to help NASA better understand the failure mechanism and improve pump designs for future systems. STS-135 will be the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Frankie Martin KSC-2011-3657

CAPE CANAVERAL, Fla. -- Shuttle Atlantis' three main engines take center stage in this image as Atlantis is being moved to the Vehicle Assembly Building (VAB) from Orbiter Processing Faciity-1 at NASA's Kennedy More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A producing billows of smoke and steam as it lifts off on its STS-135 mission to the International Space Station. Atlantis with its crew of four; Commander Chris Ferguson, Pilot Doug Hurley, Mission Specialists Sandy Magnus and Rex Walheim, lifted off at 11:29 a.m. EDT on July 8, 2011 to deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts for the station. Atlantis also will fly the Robotic Refueling Mission experiment that will investigate the potential for robotically refueling existing satellites in orbit. In addition, Atlantis will return with a failed ammonia pump module to help NASA better understand the failure mechanism and improve pump designs for future systems. STS-135 is the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Sandra Joseph and Kevin O'Connell KSC-2011-5351

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A producing billows of smoke and steam as it lifts off on More

KENNEDY SPACE CENTER, FLA. — In the transfer aisle of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Atlantis is raised off its transporter. After raised to a vertical position, Atlantis will be lifted into high bay 3 and mated with the external tank and solid rocket boosters designated for mission STS-122, already secured atop a mobile launcher platform. On this mission, Atlantis will deliver the Columbus module to the International Space Station. The European Space Agency's largest contribution to the station, Columbus is a multifunctional, pressurized laboratory that will be permanently attached to U.S. Node 2, called Harmony. The module is approximately 23 feet long and 15 feet wide, allowing it to hold 10 large racks of experiments. The laboratory will expand the research facilities aboard the station, providing crew members and scientists from around the world the ability to conduct a variety of experiments in the physical, materials and life sciences. Mission STS-122 is targeted for launch on Dec. 6. Photo credit: NASA/George Shelton KSC-07pd3085

KENNEDY SPACE CENTER, FLA. — In the transfer aisle of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Atlantis is raised off its transporter. After raised to a vertical position, At More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour, atop the mobile launcher platform, is hard down on Launch Pad 39A after rolling out overnight. First motion out of the Vehicle Assembly Building was at 8:10 p.m. July 10. The components of the shuttle are, first, the orbiter and then the solid rocket boosters flanking the external tank behind it. To the left of the shuttle is the rotating service structure, which can be rolled around to enclose the vehicle for access during processing. Behind it is the fixed service structure, topped by an 80-foot-tall lightning mast. Extending from it to Endeavour is the orbiter access arm, which provides access into the vehicle. Endeavour is scheduled to launch on mission STS-118 on Aug. 7. During the mission, Endeavour will carry into orbit the S5 truss, SPACEHAB module and external stowage platform 3. The mission is the 22nd flight to the International Space Station and will mark the first flight of Mission Specialist Barbara Morgan, the teacher-turned-astronaut whose association with NASA began more than 20 years ago. STS-118 will be the first flight since 2002 for Endeavour, which has undergone extensive modifications, including the addition of safety upgrades already added to orbiters Discovery and Atlantis. Photo credit: NASA/Ken Thornsley KSC-07pd1852

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour, atop the mobile launcher platform, is hard down on Launch Pad 39A after rolling out overnight. First motion out of the Vehicle Assembly Building was at 8: More

CAPE CANAVERAL, Fla. – After rolling out of the Orbiter Processing Facility bay 1 at NASA's Kennedy Space Center, space shuttle Atlantis begins the short transfer to the Vehicle Assembly Building. In the VAB, Atlantis will be attached to its external fuel tank and twin solid rocket boosters. After additional preparations are made, the shuttle will be rolled out to Launch Pad 39A to prepare for launch on the STS-125 mission targeted for Oct. 8. Photo credit: NASA/Jack Pfaller KSC-08pd2478

CAPE CANAVERAL, Fla. – After rolling out of the Orbiter Processing Facility bay 1 at NASA's Kennedy Space Center, space shuttle Atlantis begins the short transfer to the Vehicle Assembly Building. In the VAB More

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, space shuttle Atlantis, attached to its external tank and solid rocket boosters atop a mobile launcher platform, nears the end of its 3.4-mile trip, known as rollout, from the Vehicle Assembly Building to Launch Pad 39A. First motion was at 6:38 a.m. EDT Oct. 14. Rollout is expected to take about six hours. Liftoff of Atlantis on its STS-129 mission to the International Space Station is targeted for Nov. 12. For information on the STS-129 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts129/index.html. Photo credit: NASA/Kim Shiflett KSC-2009-5437

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, space shuttle Atlantis, attached to its external tank and solid rocket boosters atop a mobile launcher platform, nears the end of its 3.4-mile t More

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, workers discuss moving, or "rolling over," shuttle Discovery to the nearby Vehicle Assembly Building (VAB). Once inside the VAB, the shuttle will be joined to its solid rocket boosters and external fuel tank. Later this month, Discovery is scheduled to "rollout" to Launch Pad 39A for its launch to the International Space Station on the STS-133 mission. Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the station. Photo credit: NASA/Jack Pfaller KSC-2010-4583

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, workers discuss moving, or "rolling over," shuttle Discovery to the nearby Vehicle Assembly Building (VAB). On More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A producing billows of smoke and steam as it lifts off on its STS-135 mission to the International Space Station. Atlantis with its crew of four; Commander Chris Ferguson, Pilot Doug Hurley, Mission Specialists Sandy Magnus and Rex Walheim, lifted off at 11:29 a.m. EDT on July 8, 2011 to deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts for the station. Atlantis also will fly the Robotic Refueling Mission experiment that will investigate the potential for robotically refueling existing satellites in orbit. In addition, Atlantis will return with a failed ammonia pump module to help NASA better understand the failure mechanism and improve pump designs for future systems. STS-135 is the 33rd flight of Atlantis, the 37th shuttle mission to the space station, and the 135th and final mission of NASA's Space Shuttle Program. For more information, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/index.html. Photo credit: NASA/Tony Gray and Tom Farrar KSC-2011-5411

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Atlantis' main engines and solid rocket boosters ignite on Launch Pad 39A producing billows of smoke and steam as it lifts off on More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour races into the sky trailing columns of fire from the solid rocket boosters as it begins mission STS-118. The liftoff from Launch Pad 39A was on time at 6:36 p.m. EDT. The mission is the 22nd shuttle flight to the International Space Station. It will continue space station construction by delivering a third starboard truss segment, S5, and other payloads such as the SPACEHAB module and the external stowage platform 3. The 11-day mission may be extended to as many as 14 depending on the test of the Station-to-Shuttle Power Transfer System that will allow the docked shuttle to draw electrical power from the station and extend its visits to the orbiting lab. Photo credit: NASA/Jerry Cannon, Mike Kerley KSC-07pd2271

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour races into the sky trailing columns of fire from the solid rocket boosters as it begins mission STS-118. The liftoff from Launch Pad 39A was on time at 6:3 More

CAPE CANAVERAL, Fla. – STS-127 crew members gather at NASA Kennedy Space Center's Launch Pad 39A for a question-and-answer session with the media. At left is Commander Mark Polansky, introducing the other astronauts, who are, from left, Pilot Doug Hurley and Mission Specialists Julie Payette, Tom Marshburn, Tim Kopra, Chris Cassidy and Dave Wolf. Payette represents the Canadian Space Agency. In the background is the fixed service structure with the solid rocket boosters and external fuel tank attached to space shuttle Endeavour. The crew is at Kennedy for a launch dress rehearsal called the terminal countdown demonstration test, or TCDT, which includes emergency egress training and equipment familiarization. Space shuttle Endeavour's STS-127 mission is the final of three flights dedicated to the assembly of the Japanese Kibo laboratory complex on the International Space Station. Endeavour's launch is targeted for June 13. Photo credit: NASA/Kim Shiflett KSC-2009-3403

CAPE CANAVERAL, Fla. – STS-127 crew members gather at NASA Kennedy Space Center's Launch Pad 39A for a question-and-answer session with the media. At left is Commander Mark Polansky, introducing the other astr More

CAPE CANAVERAL, Fla. – The Pegasus barge carrying the external tank for space shuttle Atlantis' STS-125 mission to NASA's Hubble Space Telescope is tied to the dock in the turn basin in the Launch Complex 39 Area of NASA's Kennedy Space Center. The tank will offloaded and moved to the Vehicle Assembly Building. Once inside the building, the tank will be raised to vertical, lifted and moved into a checkout cell. Stacking of the tank and solid rocket boosters is planned to start Aug. 7. Atlantis is targeted to launch Oct. 8. Photo credit: NASA/Jack Pfaller KSC-08pd1979

CAPE CANAVERAL, Fla. – The Pegasus barge carrying the external tank for space shuttle Atlantis' STS-125 mission to NASA's Hubble Space Telescope is tied to the dock in the turn basin in the Launch Complex 39 More

KENNEDY SPACE CENTER, FLA. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center, United Space Alliance technicians get ready to lower the external tank to be mated with the solid rocket boosters on the mobile launcher platform. The boosters-tank configuration will be used on space shuttle Atlantis for mission STS-122, which is targeted for launch on Dec. 6. Photo credit: Kim Shiflett KSC-07pd2872

KENNEDY SPACE CENTER, FLA. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center, United Space Alliance technicians get ready to lower the external tank to be mated with the solid rocket boosters o More

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery backs out of the Orbiter Processing Facility bay 3 for the short rollover to the Vehicle Assembly Building. First motion was at 9:23 p.m. Oct. 31. In the VAB the orbiter will be mated to its large external tank and twin solid rocket boosters already stacked on the mobile launcher platform. Space Shuttle Discovery is scheduled to roll out to Launch Pad 39B no earlier than Nov. 7 for mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Kim Shiflett KSC-06pd2413

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery backs out of the Orbiter Processing Facility bay 3 for the short rollover to the Vehicle Assembly Building. First motion was at 9:23 p.m. Oct. 31. In the VA More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, space shuttle Atlantis is lowered into High Bay 3. In the bay, the shuttle will be mated with its external fuel tank and solid rocket boosters on the mobile launcher platform. After additional preparations are made, the shuttle will be rolled out to Launch Pad 39A for a targeted launch on May 12 on the STS-125 mission to service NASA's Hubble Space Telescope. Photo credit: NASA/Kim Shiflett KSC-2009-2278

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, space shuttle Atlantis is lowered into High Bay 3. In the bay, the shuttle will be mated with its external fuel More

CAPE CANAVERAL, Fla. -- In High Bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a large yellow, metal sling lowers shuttle Discovery to its external fuel tank and solid rocket boosters. The lift and mate operation began Sept. 9 and wrapped up early Sept. 10. Discovery is scheduled to roll out to Launch Pad 39A later this month in preparation for its launch to the International Space Station on the STS-133 mission. Targeted to lift off Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the station. Photo credit: NASA/Jack Pfaller KSC-2010-4626

CAPE CANAVERAL, Fla. -- In High Bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a large yellow, metal sling lowers shuttle Discovery to its external fuel tank and solid rocket More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, technicians in the Vehicle Assembly Building inspect space shuttle Discovery, its external fuel tank and solid rocket boosters. As technicians were attaching the left-side main separation bolt on the bottom of the shuttle to the external tank Sept. 10 a bolt nut slipped back into Discovery's aft compartment. To retrieve it, technicians entered Discovery’s aft section through an access door. They then moved the nut back into position to finish attaching the bolt, which is used to separate Discovery from the external tank once the shuttle is in orbit. Discovery is scheduled to roll out to Launch Pad 39A later this month for its STS-133 launch to the International Space Station. Targeted to lift off Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the station. Photo credit: NASA/Dimitri Gerondidakis KSC-2010-4644

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, technicians in the Vehicle Assembly Building inspect space shuttle Discovery, its external fuel tank and solid rocket boosters. As technicians More

CAPE CANAVERAL, Fla. – Inside a test cell in the Vehicle Assembly Building at NASA's Kennedy Space Center, a portion of Atlantis’ external tank is sealed to prevent contamination so that technicians can replace a valve after small dings were found on the sealing surface of the quick disconnect system that handles liquid-hydrogen fuel for the shuttle’s three main engines. The tank will be attached to the twin solid rocket boosters on Aug. 3 for the STS-125 mission, the fifth and final shuttle servicing mission to NASA’s Hubble Space Telescope. During the mission, the crew will install new instruments on the telescope, including the Cosmic Origins Spectrograph and the Wide Field Camera 3. A refurbished Fine Guidance Sensor will replace one unit of three now onboard. Mission specialists will also install new gyroscopes, batteries and thermal blankets on the telescope. Launch is targeted for Oct. 8. Photo credit: NASA/Jim Grossmann KSC-08pd2152

CAPE CANAVERAL, Fla. – Inside a test cell in the Vehicle Assembly Building at NASA's Kennedy Space Center, a portion of Atlantis’ external tank is sealed to prevent contamination so that technicians can replace More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the 250-ton high bay crane suspends space shuttle Discovery above the transfer aisle, ready to lift the shuttle into the upper levels and lower it into High Bay 1. Visible on Discovery's underside are the umbilical areas, the external fuel tank attach points. In High Bay 1, Discovery will be attached to the external tank and solid rocket boosters already stacked on the mobile launcher platform. Discovery is scheduled to roll out to Launch Pad 39A the first week of August to prepare for the STS-128 mission to the International Space Station. The shuttle will carry the Leonardo Multi-Purpose Logistics Module containing life support racks and science racks and the Lightweight Multi-Purpose Experiment Support Structure Carrier in its payload bay. Launch of Discovery is targeted for late August. Photo credit: NASA/Ben Smegelsky KSC-2009-4251

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the 250-ton high bay crane suspends space shuttle Discovery above the transfer aisle, ready to lift the shuttl More

CAPE CANAVERAL, Fla. – At Hangar AF at Cape Canaveral Air Force Station in Florida, a worker examines one of the frustums from two spent solid rocket boosters from space shuttle Endeavour, which launched Nov. 14 on the STS-126 mission. The frustum was offloaded from the solid rocket booster retrieval ship Freedom Star and moved inside the Hangar AF High Bay for disassembly. The space shuttle’s solid rocket booster casings and associated flight hardware are recovered at sea after being jettisoned. The boosters impact the Atlantic Ocean approximately seven minutes after liftoff. After their recovery and transport to Hangar AF, the boosters are cleaned, inspected, disassembled, refurbished and reloaded with solid propellant for reuse. Photo credit: NASA/Jim Grossmann KSC-08pd3766

CAPE CANAVERAL, Fla. – At Hangar AF at Cape Canaveral Air Force Station in Florida, a worker examines one of the frustums from two spent solid rocket boosters from space shuttle Endeavour, which launched Nov. More

CAPE CANAVERAL, Fla. – Space shuttle Atlantis comes to a stop on the top of Launch Pad 39A at NASA's Kennedy Space Center after more than a 6-hour journey from the Vehicle Assembly Building. First motion occurred at 9:19 a.m. EDT and Atlantis was hard down on the pad at 3:52 p.m. At far left is the rotating service structure that will be rotated to enclose the shuttle for launch preparations. The shuttle stack, with solid rocket boosters and external fuel tank attached to Atlantis, rest on the mobile launcher platform. Movement is provided by the crawler-transporter underneath. The Sept. 2 rollout date was postponed due to Tropical Storm Hanna’s shift to a northern track. Atlantis is scheduled to launch on the STS-125 mission to service NASA’s Hubble Space Telescope. Launch is targeted for Oct. 8. Photo credit: NASA/Kim Shiflett KSC-08pd2548

CAPE CANAVERAL, Fla. – Space shuttle Atlantis comes to a stop on the top of Launch Pad 39A at NASA's Kennedy Space Center after more than a 6-hour journey from the Vehicle Assembly Building. First motion occur More

KENNEDY SPACE CENTER, FLA. -- External tank No. 124 is moved from its checkout cell in the Vehicle Assembly Building to high bay 1 where it will be mated with the solid rocket boosters for mission STS-117. The boosters are already in place on the mobile launcher platform in the VAB. The mission is targeted to launch on March 16 aboard Space Shuttle Atlantis. Photo credit: NASA/Kim Shiflett KSC-07pd0138

KENNEDY SPACE CENTER, FLA. -- External tank No. 124 is moved from its checkout cell in the Vehicle Assembly Building to high bay 1 where it will be mated with the solid rocket boosters for mission STS-117. Th More

KENNEDY SPACE CENTER, FLA. -- In In the transfer aisle of the Vehicle Assembly Building, the orbiter Atlantis is suspended by a sling. The orbiter will be raised to vertical and lifted up into high bay 1. Then it will be lowered onto the mobile launcher platform where the external tank and solid rocket boosters are already stacked. Space Shuttle Atlantis is targeted to roll out to Launch Pad 39A on February 14 for mission STS-117. The mission is No. 21 to the International Space Station and construction flight 13A. Photo credit: NASA/Amanda Diller KSC-07pd0321

KENNEDY SPACE CENTER, FLA. -- In In the transfer aisle of the Vehicle Assembly Building, the orbiter Atlantis is suspended by a sling. The orbiter will be raised to vertical and lifted up into high bay 1. More

CAPE CANAVERAL, Fla. – Space shuttle Atlantis has passed the bend in the crawlerway taking it to Launch Pad 39A, above left, at NASA's Kennedy Space Center. The crawlerway is flanked by the Banana River at right and Banana Creek at left. The Atlantic Ocean stretches across the horizon. The shuttle stack, with solid rocket boosters and external fuel tank attached to Atlantis, rest on the mobile launcher platform. Movement is provided by the crawler-transporter underneath. First motion occurred at 9:19 a.m. EDT. The Sept. 2 rollout date was postponed due to Tropical Storm Hanna’s shift to a northern track. Atlantis is scheduled to launch on the STS-125 mission to service NASA’s Hubble Space Telescope. Launch is targeted for Oct. 8. Photo credit: NASA/Kim Shiflett KSC-08pd2539

CAPE CANAVERAL, Fla. – Space shuttle Atlantis has passed the bend in the crawlerway taking it to Launch Pad 39A, above left, at NASA's Kennedy Space Center. The crawlerway is flanked by the Banana River at r More

CAPE CANAVERAL, Fla. --- Inside the Vehicle Assembly Building at NASA's Kennedy Space Center, the external tank for space shuttle Discovery is suspended over the transfer aisle as it is lifted up into a checkout cell for processing. The tank will be stacked with solid rocket boosters for Discovery's launch on the STS-124 mission. On the mission, the shuttle will transport the Kibo Japanese Experiment Module - Pressurized Module and the Japanese Remote Manipulator System. Launch is targeted for May 25. Photo credit: NASA/Jim Grossmann KSC-08pd0889

CAPE CANAVERAL, Fla. --- Inside the Vehicle Assembly Building at NASA's Kennedy Space Center, the external tank for space shuttle Discovery is suspended over the transfer aisle as it is lifted up into a checko More

CAPE CANAVERAL, Fla. – Space shuttle Atlantis is lowered by the yellow crane above it into High Bay 1 in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. Next, Atlantis will be positioned on a mobile launcher platform in the bay where it will be attached to an external fuel tank and pair of solid rocket boosters. Rollout of the completed shuttle stack to Kennedy’s Launch Pad 39A, a significant milestone in launch processing activities, is planned for Oct. 13. Liftoff of Atlantis on its STS-129 mission to the International Space Station is targeted for 4:04 p.m. EST Nov. 12 during a 10-minute launch window. For information on the STS-129 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts129/index.html. Photo credit: NASA/Jack Pfaller KSC-2009-5358

CAPE CANAVERAL, Fla. – Space shuttle Atlantis is lowered by the yellow crane above it into High Bay 1 in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. Next, Atlantis will be positione More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center, external fuel tank 129 is lowered into high bay 1 between the solid rocket boosters at left for mating on the mobile launcher platform. The external tank-SRB stack will then be mated in two weeks to space shuttle Endeavour for the STS-126 mission. The STS-126 mission will deliver a Multi-Purpose Logistics Module to the International Space Station. Launch is targeted for Nov. 10. Photo credit: NASA/Jack Pfaller KSC-08pd2523

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center, external fuel tank 129 is lowered into high bay 1 between the solid rocket boosters at left for mating on the mobile lau More

KENNEDY SPACE CENTER, FLA. - In the Vehicle Assembly Building's transfer aisle at NASA's Kennedy Space Center, external tank No. 119 is suspended in a vertical position. The tank will lifted into high bay 3 for stacking with solid rocket boosters. The tank and boosters will launch Space Shuttle Discovery on mission STS-121 in July. Photo credit: NASA/Jack Pfaller KSC-06pd0720

KENNEDY SPACE CENTER, FLA. - In the Vehicle Assembly Building's transfer aisle at NASA's Kennedy Space Center, external tank No. 119 is suspended in a vertical position. The tank will lifted into high bay 3 fo More

KENNEDY SPACE CENTER, FLA. -- In high bay 1 of the Vehicle Assembly Building at NASA's Kennedy Space Center, the suspended external tank is lowered between the solid rocket boosters, or SRBs, installed on the mobile launcher platform. The tank will be mated with the boosters for launch. Work to remove and replace the feed-through connector on the external tank will be done in parallel with integrated ET/SRB testing in preparation for space shuttle Endeavour to join the stack later in January. The STS-123 mission is targeted for launch on Endeavour in mid-March. The 25th assembly flight to the International Space Station, Endeavour's payload includes the Japanese Experiment Logistics Module Pressurized Section. Photo credit: NASA/Kim Shiflett KSC-08pd0032

KENNEDY SPACE CENTER, FLA. -- In high bay 1 of the Vehicle Assembly Building at NASA's Kennedy Space Center, the suspended external tank is lowered between the solid rocket boosters, or SRBs, installed on the More

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, this image shows in detail a view of the hydraulic system connected to the underside of shuttle Atlantis that will lift the vehicle off the floor to enable the orbiter transport system, or OTS, to be rolled underneath for its move, or "rollover," to the Vehicle Assembly Building. Once there Atlantis will be joined with the external fuel tank and solid rocket boosters on the mobile launcher platform. Atlantis is being prepared for the STS-135 mission, which will deliver the Raffaello multipurpose logistics module packed with supplies, logistics and spare parts to the International Space Station. STS-135 is targeted to launch June 28, and will be the last spaceflight for the Space Shuttle Program. Photo credit: NASA/Jim Grossmann KSC-2011-2968

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, this image shows in detail a view of the hydraulic system connected to the underside of shuttle Atlantis that w More

KENNEDY SPACE CENTER, FLA. - In high bay 3 of the Vehicle Assembly Building, the orbiter Atlantis has been lowered onto the mobile launcher platform below for mating with the external tank and solid rocket boosters already in place. After the stacking, Atlantis will undergo a shuttle interface test and other prelaunch processing. Atlantis' launch window begins Aug. 28. During its 11-day mission to the International Space Station, the STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Troy Cryder KSC-06pd1667

KENNEDY SPACE CENTER, FLA. - In high bay 3 of the Vehicle Assembly Building, the orbiter Atlantis has been lowered onto the mobile launcher platform below for mating with the external tank and solid rocket boo More

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Atlantis leaps off the Launch Pad 39A trailing a twin streams of flame from its solid rocket boosters to light up the pre-dawn sky on mission STS-101. Liftoff occurred on time at 6:11:10 a.m. EDT. The mission is taking the crew of seven to the International Space Station to deliver logistics and supplies as well as to prepare the Station for the arrival of the Zvezda Service Module, expected to be launched by Russia in July 2000. Also, the crew will conduct one space walk and will reboost the space station from 230 statute miles to 250 statute miles. This will be the third assembly flight to the Space Station. After a 10-day mission, landing is targeted for May 29 at 2:19 a.m. EDT. This is the 98th Shuttle flight and the 21st flight for Shuttle Atlantis KSC00pp0658

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Atlantis leaps off the Launch Pad 39A trailing a twin streams of flame from its solid rocket boosters to light up the pre-dawn sky on mission STS-101. Liftoff occurr More

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, preparations are under way to move space shuttle Endeavour, attached to its external tank and solid rocket boosters, from High Bay 1 to Launch Pad 39A. First motion was at 4:13 a.m. EST Jan. 6. The 3.4-mile trip, known as rollout, takes about six hours. Rollout is a significant milestone in launch processing activities. The primary payload for the STS-130 mission is the International Space Station's Node 3, Tranquility, a pressurized module that will provide room for many of the station's life support systems. Attached to one end of Tranquility is a cupola, a unique work area with six windows on its sides and one on top. The cupola resembles a circular bay window and will provide a vastly improved view of the station's exterior. The multi-directional view will allow the crew to monitor spacewalks and docking operations, as well as provide a spectacular view of Earth and other celestial objects. The module was built in Turin, Italy, by Thales Alenia Space for the European Space Agency. Space shuttle Endeavour's STS-130 mission is targeted for launch at 4:39 a.m. EST Feb. 7. For information on the STS-130 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts130/index.html. Photo credit: NASA/Amanda Diller KSC-2010-1025

CAPE CANAVERAL, Fla. – In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, preparations are under way to move space shuttle Endeavour, attached to its external tank and solid rocket boos More

KENNEDY SPACE CENTER, FLA. -- Viewed from behind inside the Vehicle Assembly Building, space shuttle Discovery is lifted into the upper regions for transfer to high bay 1. In the bay, Discovery will be mated with the external tank and solid rocket boosters waiting on the mobile launcher platform. Discovery is targeted for launch to the International Space Station for mission STS-120 on Oct. 23. The crew will be delivering and installing the Italian-built U.S. Node 2, named Harmony. The pressurized module will act as an internal connecting port and passageway to additional international science labs and cargo spacecraft. In addition to increasing the living and working space inside the station, it also will serve as a work platform outside for the station's robotic arm. Photo credit: NASA/Troy Cryder KSC-07pd2553

KENNEDY SPACE CENTER, FLA. -- Viewed from behind inside the Vehicle Assembly Building, space shuttle Discovery is lifted into the upper regions for transfer to high bay 1. In the bay, Discovery will be mated More

KENNEDY SPACE CENTER, FLA. -- In the Vehicle Assembly Building at KSC, a crane lifts external tank No. 120 into the upper regions. The tank is being lifted for a move into a checkout cell. The tank will be prepared for stacking with solid rocket boosters to launch Space Shuttle Discovery on mission STS-120 in October. The mission is the 23rd to the International Space Station and will launch an Italian-built, U.S. multi-port module known as Harmony for the station. Christened after a school contest, Harmony will provide attachment points for European and Japanese laboratory modules. NASA/George Shelton KSC-07pd2151

KENNEDY SPACE CENTER, FLA. -- In the Vehicle Assembly Building at KSC, a crane lifts external tank No. 120 into the upper regions. The tank is being lifted for a move into a checkout cell. The tank will be More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, shuttle Discovery pauses in between Orbiter Processing Facility-3 and the Vehicle Assembly Building (VAB) during a move called "rollover." Once inside the VAB, the shuttle will be joined to its solid rocket boosters and external fuel tank. Later this month, Discovery is scheduled to "rollout" to Launch Pad 39A for its launch to the International Space Station on the STS-133 mission. Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the station. Photo credit: NASA/Jack Pfaller KSC-2010-4587

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, shuttle Discovery pauses in between Orbiter Processing Facility-3 and the Vehicle Assembly Building (VAB) during a move called "rollover." Once More

The orbiter Discovery is lifted by cranes in the transfer aisle of the Vehicle Assembly Building. It will next be lifted into a vertical position and into high bay 1 for mating with its solid rocket boosters and external tank. Discovery will be launched March 8 on mission STS-102, the eighth construction flight to the International Space Station. The Shuttle will carry the Multi-Purpose Logistics Module Leonardo, the first of three pressurized modules provided by the Italian Space Agency to carry supplies and equipment to the Space Station and back to Earth KSC01pp0229

The orbiter Discovery is lifted by cranes in the transfer aisle of the Vehicle Assembly Building. It will next be lifted into a vertical position and into high bay 1 for mating with its solid rocket boosters an More