JSC2009-E-207999 (14 Sept. 2009) --- NASA astronauts Rick Mastracchio (left) and Clay Anderson; along with Japan Aerospace Exploration Agency (JAXA) astronaut Naoko Yamazaki, all STS-131 mission specialists, participate in a training session near one of the full-scale trainers in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.
Photographer ROBERT MARKOWITZ
Date September 14, 2009