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jsc2010e171243
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jsc2010e171243

January 20, 2012
NASA astronauts Nicole Stott, Michael Barratt (center) and Alvin Drew, all STS-133 mission specialists, participate in an ingress/egress timeline training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration


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