STS-117 Crewmembers Pat Forrester and Steve Swanson during training

JSC2006-E-48972 (9 Nov. 2006) --- Astronauts Patrick G. Forrester and Steven R. Swanson (partially obscured), both STS-117 mission specialists, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center. Forrester and Swanson are attired in training versions of the Extravehicular Mobility Unit (EMU) spacesuit. SCUBA-equipped divers (out of frame) are in the water to assist the crewmembers in their rehearsal, intended to help prepare them for work on the exterior of the International Space Station.