JSC2009-E-208052 (14 Sept. 2009) --- Attired in training versions of their shuttle launch and entry suits, NASA astronauts Clay Anderson (left) and Rick Mastracchio, both STS-131 mission specialists, await the start of a training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.
Photographer ROBERT MARKOWITZ
Date September 14, 2009