NASA Prepares For Launch Of Space Shuttle Discovery

NASA's STS-131 astronauts (R-L), Commander Alan Poindexter, Pilot James P. Dutton Jr., mission specialists Rick Mastracchio, Dorothy Metcalf-Lindenburger, Stephanie Wilson, Japan Aerospace Exploration Agency astronaut Naoko Yamazaki and NASA astronaut Clayton Anderson walk out of the operations and checkout building at Kennedy Space Center April 5, 2010, in Cape Canaveral, Florida. The shuttle crew is scheduled for a 13 day trip to the International Space Station.
(April 3, 2010 - Source: Joe Raedle/Getty Images North America) more pics from this album »
Rick Mastracchio and Stephanie Wilso Photos appear in: