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January 18, 2012
NASA astronauts Michael Barratt (left) and Steve Bowen, both STS-133 mission specialists, are pictured prior to the start of a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Bowen is wearing a liquid cooling and ventilation garment that complements the Extravehicular Mobility Unit (EMU) spacesuit. Photo credit: NASA or National Aeronautics and Space Administration

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