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jsc2007e113593
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jsc2007e113593

October 31, 2011
Astronaut Michael J. Massimino, STS-125 mission specialist, attired in a training version of the Extravehicular Mobility Unit (EMU) spacesuit, awaits the start of a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.


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