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Last updated on April 24, 2014 at 5:30 EDT
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August 14, 2012
NASA astronaut Chris Ferguson, STS-135 commander, attired in a training version of his shuttle launch and entry suit, participates in a training session in the fixed-base shuttle mission simulator (SMS) in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration