Space Shuttle Discovery Rolls Out To Launch Pad
CAPE CANAVERAL, FL - MARCH 3: Space Shuttle Discovery rolls out to launch pad 39-A atop the crawler transporter at Kenendy Space Center March 3, 2010, in Cape Canaveral, Florida. Discovery is scheduled to launch to the International Space Station early April on mission STS-131. (Photo by Matt Stroshane/Getty Images)
Copyright 2010 Getty Images
