JSC2011-E-028137 (23 March 2011) --- NASA astronauts Chris Ferguson (left background), STS-135 commander; Doug Hurley (foreground), pilot; and Sandy Magnus, mission specialist, participate in an exercise in the systems engineering simulator in the Avionics Systems Laboratory at NASA's Johnson Space Center. The facility includes moving scenes of full-sized International Space Station components over a simulated Earth.

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Size: 4256px × 2832px
Photo credit: © NASA/piemags / Alamy / Afripics
License: Licensed
Model Released: No

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