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| STS-135 Shuttle Mission Imagery | |
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JSC2011-E-021701 (25 Feb. 2011) --- NASA astronauts Chris Ferguson (second left), STS-135 commander; Doug Hurley, pilot; Rex Walheim (right) and Sandy Magnus, both mission specialists, participate in a training session in a space station mock-up in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration |
