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STS135IntSIM
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STS_135_IntSIM

July 18, 2012
STS-135 flight director Kwatsi Alibaruho, center, back to camera, and CAPCOM Steve Robinson, center, facing, work in Mission Control at the Johnson Space Center during a training simulation with the crew on Wednesday, May 11, 2011, in Houston. ( NASA Photo / Houston Chronicle, Smiley N. Pool ).