NASA Space Shuttle Atlantis International Space Station STS-135 mission prime crew astronauts Doug Hurley (left) and Rex Walheim train in the fixed-base shuttle mission simulator at the Johnson Space Center Jake Garn Simulation and Training Facility March 2, 2011 in Houston, Texas. (photo by NASA Photo via Planetpix)

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Size: 5150px × 4120px
Photo credit: © NASA Photo / Alamy / Afripics
License: Licensed
Model Released: No

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