STS-335 STS-135 ATLANTIS ENGINE-1 MOVE FROM ENGINE SHOP TO OPF-1

2010-5808

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, technicians close shuttle Atlantis' payload bay doors prior to the holidays. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, shuttle Atlantis' payload bay doors will be closed prior to the holidays. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, shuttle Atlantis' payload bay doors are closed prior to the holidays. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, shuttle Atlantis' payload bay doors close prior to the holidays. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, shuttle Atlantis' payload bay doors will be closed prior to the holidays. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, shuttle Atlantis' payload bay doors are closed prior to the holidays. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, technicians close shuttle Atlantis' payload bay doors prior to the holidays. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

STS-335 STS-135 ATLANTIS ENGINE#3 (LAST) MOVED FROM ENGINE SHOP TO OPF-1

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the first of three space shuttle main engines closer to space shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the first of three space shuttle main engines closer to space shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transporting the second of shuttle Atlantis' three main engines arrives at Orbiter Processing Facility-1 from the Space Shuttle Main Engine (SSME) Shop at NASA's Kennedy Space Center in Florida. There, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, engine #2, the last of three space shuttle main engines is installed in shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves engine #2, the last of three space shuttle main engines, closer to shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves engine #2, the last of three space shuttle main engines, into position for installation on shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, technicians move an aft access platform into place behind shuttle Atlantis, following the installation of the spacecraft's three main engines. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the second of three space shuttle main engines closer to shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transports engine #2, the last of shuttle Atlantis' three main engines, from the Space Shuttle Main Engine (SSME) Shop to Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. Inside the processing facility, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the first of three space shuttle main engines closer to space shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transports the second of shuttle Atlantis' three main engines from the Space Shuttle Main Engine (SSME) Shop to Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. Once inside the processing facility, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transports the second of shuttle Atlantis' three main engines from the Space Shuttle Main Engine (SSME) Shop to Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. Once inside the processing facility, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, the first of three space shuttle main engines is installed in space shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the second of three space shuttle main engines closer to shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the first of three space shuttle main engines closer to space shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transporting engine #2, the last of shuttle Atlantis' three main engines from the Space Shuttle Main Engine (SSME) Shop, enters Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. Inside the processing facility, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- Workers in the Space Shuttle Main Engine (SSME) Shop at NASA's Kennedy Space Center in Florida raise the second of shuttle Atlantis' three main engines so it can be attached to a Hyster forklift. Then, the engine will be transported to Orbiter Processing Facility-1 where it will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transports engine #2, the last of shuttle Atlantis' three main engines, from the Space Shuttle Main Engine (SSME) Shop to Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. Inside the processing facility, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the first of three space shuttle main engines closer to space shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the second of three space shuttle main engines closer to shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the first of three space shuttle main engines closer to space shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the second of three space shuttle main engines closer to shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- Workers in the Space Shuttle Main Engine (SSME) Shop at NASA's Kennedy Space Center in Florida get ready to raise the second of shuttle Atlantis' three main engines so it can be attached to a Hyster forklift. Then, the engine will be transported to Orbiter Processing Facility-1 where it will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- Workers in the Space Shuttle Main Engine (SSME) Shop at NASA's Kennedy Space Center in Florida attached the second of shuttle Atlantis' three main engines to a Hyster forklift. Next, the engine will be transported to Orbiter Processing Facility-1 where it will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- Workers in the Space Shuttle Main Engine (SSME) Shop at NASA's Kennedy Space Center in Florida attached the second of shuttle Atlantis' three main engines to a Hyster forklift. Next, the engine will be transported to Orbiter Processing Facility-1 where it will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves engine #2, the last of three space shuttle main engines, into position for installation on shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, the second of three space shuttle main engines is installed in shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, the first of three space shuttle main engines is installed in space shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves the first of three space shuttle main engines closer to space shuttle Atlantis for installation. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transporting the second of shuttle Atlantis' three main engines arrives at Orbiter Processing Facility-1 from the Space Shuttle Main Engine (SSME) Shop at NASA's Kennedy Space Center in Florida. There, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, technicians prepare to move an aft access platform into place behind shuttle Atlantis, following the installation of the spacecraft's three main engines. Shown is the right-hand orbital maneuvering system (OMS) pod and engine taken from the right-hand access arm. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transporting the second of shuttle Atlantis' three main engines arrives at Orbiter Processing Facility-1 from the Space Shuttle Main Engine (SSME) Shop at NASA's Kennedy Space Center in Florida. There, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transporting engine #2, the last of shuttle Atlantis' three main engines from the Space Shuttle Main Engine (SSME) Shop, arrives at Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. Inside the processing facility, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, a Hyster forklift moves engine #2, the last of three space shuttle main engines, into position for installation on shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, engine #2, the last of three space shuttle main engines is being installed in shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, technicians move an aft access platform into place behind shuttle Atlantis, following the installation of the spacecraft's three main engines. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, engine #2, the last of three space shuttle main engines is installed in shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- A Hyster forklift transporting engine #2, the last of shuttle Atlantis' three main engines from the Space Shuttle Main Engine (SSME) Shop, enters Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida. Inside the processing facility, the engine will be installed in the shuttle. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

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CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-1 at NASA's Kennedy Space Center in Florida, engine #2, the last of three space shuttle main engines is being installed in shuttle Atlantis. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. This is the final planned engine installation for the Space Shuttle Program. Atlantis is being prepared for the "launch on need," or potential rescue mission, for the final planned shuttle flight, Endeavour's STS-134 mission. For more information, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett