JSC2010-E-006682 (5 Jan. 2010) --- STS-131 crew members participate in an undocking timeline training session in the Mission Simulation Development Facility at NASA's Johnson Space Center. Pictured clockwise from the right foreground are NASA astronaut Alan Poindexter, commander; Japan Aerospace Exploration Agency (JAXA) astronaut Naoko Yamazaki, mission specialist; NASA astronauts James P. Dutton Jr., pilot; and Stephanie Wilson, mission specialist.
Photographer LAUREN HARNETT
Date January 5, 2010