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CAPE CANAVERAL, Fla. -- On Launch Pad 39A at NASA's Kennedy Space Center in Florida, technicians prepare to work inside the intertank of space shuttle Discovery's external fuel tank. Seen here are step pads that will be temporarily installed in the intertank. The intertank is unpressurized and holds most of the tank's electrical components. It sits between the liquid hydrogen tank and liquid oxygen tank. Technicians will be working inside the intertank to further analyze two cracks that were found on the tank’s metal exterior. The foam cracked during initial loading operations for space shuttle Discovery’s launch attempt on Nov. 5. The cracks are on one of the stringers, which are the composite aluminum ribs located vertically on the intertank area. Discovery's next launch attempt is no earlier than Nov. 30 at 4:02 a.m. EST. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Jack Pfaller KSC-2010-5653
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CAPE CANAVERAL, Fla. -- On Launch Pad 39A at NASA's Kennedy Space Center in Florida, technicians prepare to work inside the intertank of space shuttle Discovery's external fuel tank. Seen here are step pads that will be temporarily installed in the intertank. The intertank is unpressurized and holds most of the tank's electrical components. It sits between the liquid hydrogen tank and liquid oxygen tank. Technicians will be working inside the intertank to further analyze two cracks that were found on the tank’s metal exterior. The foam cracked during initial loading operations for space shuttle Discovery’s launch attempt on Nov. 5. The cracks are on one of the stringers, which are the composite aluminum ribs located vertically on the intertank area. Discovery's next launch attempt is no earlier than Nov. 30 at 4:02 a.m. EST. For more information on STS-133, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Jack Pfaller
The Space Shuttle program was the United States government's manned launch vehicle program from 1981 to 2011, administered by NASA and officially beginning in 1972. The Space Shuttle system—composed of an orbiter launched with two reusable solid rocket boosters and a disposable external fuel tank— carried up to eight astronauts and up to 50,000 lb (23,000 kg) of payload into low Earth orbit (LEO). When its mission was complete, the orbiter would re-enter the Earth's atmosphere and lands as a glider. Although the concept had been explored since the late 1960s, the program formally commenced in 1972 and was the focus of NASA's manned operations after the final Apollo and Skylab flights in the mid-1970s. It started with the launch of the first shuttle Columbia on April 12, 1981, on STS-1. and finished with its last mission, STS-135 flown by Atlantis, in July 2011.
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