10 March 2010 --- The STS-131 crew members pose for a photo during a cake-cutting ceremony in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center.

10 March 2010 --- The STS-131 crew members pose for a photo during a cake-cutting ceremony in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center. Pictured from the left are NASA astronauts Rick Mastracchio, mission specialist; James P. Dutton Jr., pilot; Alan Poindexter, commander; Dorothy Metcalf-Lindenburger, Stephanie Wilson, Japan Aerospace Exploration Agency's Naoko Yamazaki and NASA astronaut Clayton Anderson, all mission specialists.