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jsc2007e06543
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jsc2007e06543

September 20, 2011
Astronaut Douglas H. Wheelock, STS-120 mission specialist, puts final touches on his suit-donning process prior to the start of a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center. Wheelock is wearing a training version of the Extravehicular Mobility Unit (EMU) spacesuit.


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