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August 1, 2011
Astronauts Piers J. Sellers (left) and David A. Wolf, STS-112 mission specialists, are photographed in the midst of a pre-breathe exercise in preparation for the missions first session of extravehicular activity (EVA). Sellers and Wolf are attired in the liquid cooling and ventilation garment that complements the Extravehicular Mobility Unit (EMU) space suit.

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