JSC2006-E-48969 (9 Nov. 2006) --- Astronaut Steven R. Swanson, STS-117 mission specialist, attired in a training version of the Extravehicular Mobility Unit (EMU) spacesuit, is about to begin a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center.
Photographer Regan Geeseman