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CAPE CANAVERAL, Fla. – Media snap photos as space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2422

CAPE CANAVERAL, Fla. – Media snap photos as space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florid More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT and makes a flyby near the 525-foot-tall Vehicle Assembly Building. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency’s most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be place on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Rick Wetherington KSC-2012-2459

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT and makes a More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency’s most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be place on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Rick Wetherington KSC-2012-2458

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, rises just after 7 a.m. EDT from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2387

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, rises just after 7 a.m. EDT from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginni More

CAPE CANAVERAL, Fla. – Media snap photos as space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2421

CAPE CANAVERAL, Fla. – Media snap photos as space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florid More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency’s most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be place on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Rick Wetherington KSC-2012-2457

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2429

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hou More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT and makes a flyby near the mate/demate device. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair are a T-38 training jet and a helicopter. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency’s most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be place on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Rick Wetherington KSC-2012-2460

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT and makes a More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2391

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hou More

CAPE CANAVERAL, Fla. – A spectacular close up view of space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, after it takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency’s most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be place on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Rick Wetherington KSC-2012-2463

CAPE CANAVERAL, Fla. – A spectacular close up view of space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, after it takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and Patrick Air Force Base. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Kenny Allen KSC-2012-2436

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and P More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, prepares for takeoff on the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2427

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, prepares for takeoff on the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is se More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls out to the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2384

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls out to the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to More

CAPE CANAVERAL, Fla. - Sunrise paints the sky above NASA's Kennedy Space Center in Florida as the Shuttle Carrier Aircraft transporting space shuttle Discovery takes off from runway 15 at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery is set to move to the Smithsonian's National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be placed on public display. For more information on the Shuttle Carrier Aircraft, visit http://www.nasa .gov/centers/dryden/news/FactSheets/FS-013- DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Tim Terry KSC-2012-2483

CAPE CANAVERAL, Fla. - Sunrise paints the sky above NASA's Kennedy Space Center in Florida as the Shuttle Carrier Aircraft transporting space shuttle Discovery takes off from runway 15 at 7 a.m. EDT. The d More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2389

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hou More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, prepares for takeoff on the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2425

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, prepares for takeoff on the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is se More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2424

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2420

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and Patrick Air Force Base. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Kenny Allen KSC-2012-2439

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and P More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, is illumined just before dawn on the ramp of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2383

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, is illumined just before dawn on the ramp of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The du More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2388

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hou More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and Patrick Air Force Base. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Kenny Allen KSC-2012-2438

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and P More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and Patrick Air Force Base. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Kenny Allen KSC-2012-2437

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and P More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, soars over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2432

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, soars over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour fe More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, prepares for takeoff on the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2426

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, prepares for takeoff on the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is se More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency’s most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be place on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Rick Wetherington KSC-2012-2461

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency’s most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be place on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Rick Wetherington KSC-2012-2462

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, or SCA, takes off from NASA Kennedy Space Center’s Shuttle Landing Facility runway 15 in Florida at 7 a.m. EDT. The duo is More

CAPE CANAVERAL, Fla. – A NASA C-9 “Pathfinder” DC-9 prepares for takeoff from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida ahead of space shuttle Discovery, which is bolted to the top of a Shuttle Carrier Aircraft. The craft are set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. The Pathfinder will fly about 100 miles ahead of the attached pair, making sure the flight path is free of harmful weather or hazardous conditions. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2386

CAPE CANAVERAL, Fla. – A NASA C-9 “Pathfinder” DC-9 prepares for takeoff from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida ahead of space shuttle Discovery, which is bolted to the top More

CAPE CANAVERAL, Fla. - The Shuttle Carrier Aircraft transporting space shuttle Discovery soars overhead shortly after takeoff from NASA Kennedy Space Center's runway 15 at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery is set to move to the Smithsonian's National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be placed on public display. For more information on the Shuttle Carrier Aircraft, visit http://www.nasa .gov/centers/dryden/news/FactSheets/FS-013- DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Tim Terry KSC-2012-2484

CAPE CANAVERAL, Fla. - The Shuttle Carrier Aircraft transporting space shuttle Discovery soars overhead shortly after takeoff from NASA Kennedy Space Center's runway 15 at 7 a.m. EDT. The duo is beginning More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and Patrick Air Force Base. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Kenny Allen KSC-2012-2434

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and P More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2423

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to More

CAPE CANAVERAL, Fla. – A NASA C-9 “Pathfinder” DC-9 takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida ahead of space shuttle Discovery, which is bolted to the top of a Shuttle Carrier Aircraft. The craft are set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. The Pathfinder will fly about 100 miles ahead of the attached pair, making sure the flight path is free of harmful weather or hazardous conditions. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2428

CAPE CANAVERAL, Fla. – A NASA C-9 “Pathfinder” DC-9 takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida ahead of space shuttle Discovery, which is bolted to the top of a Shuttl More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2390

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, takes off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hou More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies toward Cocoa Beach and Patrick Air Force Base after taking off from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Kenny Allen KSC-2012-2433

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies toward Cocoa Beach and Patrick Air Force Base after taking off from the Shuttle Landing Facility at NASA's Kennedy Sp More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, soars past the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2430

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, soars past the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour f More

CAPE CANAVERAL, Fla. - Dawn breaks at NASA's Kennedy Space Center in Florida, revealing the Shuttle Carrier Aircraft and its piggybacked cargo, space shuttle Discovery, rolling down runway 15 toward an on-time takeoff at 7 a.m. EDT. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery is set to move to the Smithsonian's National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Va., on April 19 where it will be placed on public display. For more information on the Shuttle Carrier Aircraft, visit http://www.nasa .gov/centers/dryden/news/FactSheets/FS-013- DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Tim Powers and Tim Terry KSC-2012-2485

CAPE CANAVERAL, Fla. - Dawn breaks at NASA's Kennedy Space Center in Florida, revealing the Shuttle Carrier Aircraft and its piggybacked cargo, space shuttle Discovery, rolling down runway 15 toward an on-time More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, soars over the Merritt Island National Wildlife Refuge and NASA's Kennedy Space Center in Florida. The duo is beginning their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Frankie Martin KSC-2012-2431

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, soars over the Merritt Island National Wildlife Refuge and NASA's Kennedy Space Center in Florida. The duo is beginning the More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and Patrick Air Force Base. The duo is beginning its ferry flight to the Washington Dulles International Airport in Virginia that also includes a flyby of the Space Coast and Washington, D.C. Also flying along with the pair is a T-38 training jet. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Kenny Allen KSC-2012-2435

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida after making a flyby of Cocoa Beach and P More

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to begin their 3 1/2 hour ferry flight to the Washington Dulles International Airport in Virginia at about 7 a.m. EDT. Above the two craft is a NASA helicopter covering the departure. Discovery is leaving Kennedy after more than 28 years of service beginning with its arrival on the space coast Nov. 9, 1983. Discovery first launched to space Aug. 30, 1984, on the STS-41D mission. Discovery is the agency's most-flown shuttle with 39 missions, more than 148 million miles and a total of one year in space. Discovery is set to move to the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center on April 19 where it will be placed on public display. For more information on the SCA, visit http://www.nasa.gov/centers/dryden/news/FactSheets/FS-013-DFRC.html. For more information on shuttle transition and retirement activities, visit http://www.nasa.gov/transition. Photo credit: NASA/Jim Grossmann KSC-2012-2385

CAPE CANAVERAL, Fla. – Space shuttle Discovery, mounted to a Shuttle Carrier Aircraft, slowly rolls along the runway of the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The duo is set to More