STS-120 mission specialist Douglas Wheelock salutes as he and crewmate Scott Parazynski (partially visible in background) are lowered into NASA's Neutral Buoyancy Laboratory for spacewalk training. Credit: NASA.
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STS-120 mission specialist Douglas Wheelock salutes as he and crewmate Scott Parazynski (partially visible in background) are lowered into NASA's Neutral Buoyancy Laboratory for spacewalk training. Credit: NASA. |
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