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jsc2011e054013
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jsc2011e054013

July 25, 2012
JSC2011-E-054013 (13 June 2011) --- NASA astronaut Chris Ferguson, STS-135 commander, participates in a training session in the simulation control area in the Neutral Buoyancy Laboratory (NBL) at the Sonny Carter Training Facility near NASA's Johnson Space Center. Photo credit: NASA


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