JSC2010-E-024628 (10 Feb. 2010) --- NASA astronauts Alan Poindexter (left), STS-131 commander; Clayton Anderson (facing camera) and Rick Mastracchio, both mission specialists; along with James P. Dutton Jr. (mostly out of frame at right), pilot, participate in an ingress/egress timeline training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.
Photographer James Blair - NASA - JSC
Date February 10, 2010