STS 125 crew training. Astronauts Massimino and Good

JSC2008-E-118362 (25 Sept. 2008) --- Attired in a training version of his Extravehicular Mobility Unit (EMU) spacesuit, astronaut Michael Good, STS-125 mission specialist, awaits the start of a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center.