Stock Photo - Astronaut John B. Herrington, STS-113 mission specialist, floats in a small life raft during an emergency egress training session in the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center (JSC).

Stock Photo: Astronaut John B. Herrington, STS-113 mission specialist, floats in a small life raft during an emergency egress training session in the Neutral Buoyancy.