Expedition 27 crew member Ron Garan with STS-335 crew member Rex Walheim

JSC2010-E-187216 (22 Nov. 2010) --- NASA astronaut Ron Garan, Expedition 27/28 flight engineer, attired in a training version of his Extravehicular Mobility Unit (EMU) spacesuit, awaits the start of a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. NASA astronaut Chris Ferguson, STS-135 commander, is at right. Photo credit: NASA or National Aeronautics and Space Administration