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| STS-135 Shuttle Mission Imagery | |
 high res (1.1 M) low res (72 K) |
JSC2011-E-021695 (25 Feb. 2011) --- NASA astronaut Sandy Magnus, STS-135 mission specialist, participates in a training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration |
