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jsc2007e00793
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jsc2007e00793

September 16, 2011
Astronaut Richard A. (Rick) Mastracchio, STS-118 mission specialist, attired in a training version of the Extravehicular Mobility Unit (EMU) spacesuit, awaits a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.


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