NASA Prepares For Launch Of Space Shuttle Discovery

NASA's STS-131 astronauts, including Commander Alan Poindexter (2nd R), Pilot James P. Dutton Jr. (3rd R), mission specialists Rick Mastracchio, Stephanie Wilson, Dorothy Metcalf-Lindenburger, NASA astronaut Clayton Anderson, Japan Aerospace Exploration Agency astronaut Naoko Yamazaki (R) walk out of the operations and checkout building at Kennedy Space Center April 5, 2010, in Cape Canaveral. The shuttle crew is scheduled to launch later today for a 13 day trip to the International Space Station.
(April 4, 2010 - Source: Matt Stroshane/Getty Images North America) more pics from this album »
Rick Mastracchio and Alan Poindexte Photos appear in: