At the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, members the STS-131 crew, each holding a flag from his or her country of origin, pose for a group portrait in front of space shuttle Discovery. From left are Mission Specialists Clayton Anderson, Naoko Yamazaki of the Japan Aerospace Exploration Agency, Stephanie Wilson, Dorothy Metcalf-Lindenburger and Rick Mastracchio; Pilot James P. Dutton Jr.; and Commander Alan Poindexter. April 20, 2010 Photo credit: NASA/Jim Grossmann
