NASA Prepares For Launch Of Space Shuttle Discovery
NASA's STS-131 astronauts (R-L) Commander Alan Poindexter, Pilot James P. Dutton Jr., mission specialist Rick Mastracchio, Stephanie Wilson, NASA atronaut Clayton Anderson, mission specialist Dorothy Metcalf-Lindenburger and Japan Aerospace Exploration Agency astronaut Naoko Yamazaki walk out of the operations and checkout building at Kennedy Space Center on April 5, 2010 in Cape Canaveral, Florida. The shuttle crew is scheduled to launch later today 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 »