JSC2002-01914 (21 October 2002) --- Astronauts Heidemarie M. Stefanyshyn-Piper (left) and Christopher J. Ferguson, STS-115 mission specialist and pilot, respectively, don training versions of the full-pressure launch and entry suit prior to the start of a training session in the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center (JSC).