Space Shuttle Discovery Blasts Off For International Space Station

CAPE CANAVERAL, FL - MARCH 15: Bill Gerstenmaier, associate administrator for Space Operations, Dr. Keiji Tachikawa, JAXA president, Mike Moses, chair, Mission Management Team, and Mike Leinbach, shuttle launch director, (L-R) address the media during the Space Shuttle Discovery post-launch briefing March 15, 2009 in Cape Canaveral, Florida. Discovery is headed to the International Space Station with a crew of seven astronauts after it's lift-off was postponed on March 11 due to a leak discovered when fueling the shuttle's orange external fuel tank. (Photo by Matt Stroshane/Getty Images)