STS-133: Final Space Shuttle flight baselined into FDRD by NASA

After nearly thirty years of Space Shuttle operations - with only eight flights remaining on the Space Shuttle Program manifest - NASA’s Program Requirements Control Board (PRCB) has officially baselined the STS-133 mission into the Flight Definition and Requirements Document (FDRD) - a mission that, at this time, is expected to be the final flight of the Space Shuttle.....

http://www.nasaspaceflight.com/2009/...ned-into-fdrd/