STS-134 crew members Greg Chamitoff and Drew Feustel during their STS-134 ULF6 EVA1 training at the NBL.

JSC2010-E-014284 (27 Jan. 2010) --- NASA astronaut Greg Chamitoff, 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.