NASA Prepares For Launch Of Space Shuttle Discovery
NASA's STS-131 NASA astronaut Clayton Anderson (L) and Japan Aerospace Exploration Agency astronaut Naoko Yamazaki wave as they walks out of the operations and checkout building at Kennedy Space Center on April 5, 2010, in Cape Canaveral. The astronauts are scheduled to launch later today aboard Space Shuttle Discovery.
(April 4, 2010 - Source: Matt Stroshane/Getty Images North America) more pics from this album »