JSC2007-E-113616 (18 Dec. 2007) --- Astronauts John M. Grunsfeld (left) and Andrew J. Feustel, both STS-125 mission specialists, participate in a training session at consoles in the simulation control area in the Neutral Buoyancy Laboratory (NBL) at the Sonny Carter Training Facility (SCTF) near Johnson Space Center (JSC).
Photographer Blair