Discovery and crew will deliver a new Permanent Multipurpose Module, the Express Logistics Carrier-4 and Robonaut 2 to the space station.
The space shuttle Discovery is seen on launch Pad 39a after the Rotating Service Structure (RSS) is rolled back on Wednesday, Nov. 3, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla.
The space shuttle Discovery is seen on launch pad 39a on Sunday, Oct. 31, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla.