JSC2008-E-118400 (26 Sept. 2008) --- Astronaut John Grunsfeld (right), STS-125 mission specialist, and Tomas Gonzalez-Torres, STS-125 lead spacewalk officer, discuss training activities in the Neutral Buoyancy Laboratory (NBL) at the Sonny Carter Training Facility near NASA's Johnson Space Center.
Photographer JAMES BLAIR
Date September 26, 2008