NASA astronaut Rex Walheim, STS-135 mission specialist, is lowered into the water March 22, 2011 to train for a contingency spacewalk in the Neutral Buoyancy Laboratory (NBL) in Houston.
Information
Taken in
Johnson Space Center
Author
NASA Photo/Houston Chronicle, Smiley N. Pool
Description
NASA astronaut Rex Walheim, STS-135 mission specialist, is lowered into the water March 22, 2011 to train for a contingency spacewalk in the Neutral Buoyancy Laboratory (NBL) in Houston.