STS-134 crew members Mike Fincke and Greg Chamitoff

JSC2010-E-185500 (12 Nov. 2010) --- NASA astronaut Andrew Feustel, STS-134 mission specialist, 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. Photo credit: NASA or National Aeronautics and Space Administration