Space NASA Performs Last-Minute Repairs on Shuttle Discovery February 25, 2011February 24, 2011 0 Comments Engineers are trying to fix a damaged space shuttle heat shield tile in time for today’s launch URL: http://feedproxy.google.com/~r/spaceheadlines/~3/XVsNOhIPMhs/10945-nasa-performs-minute-repairs-shuttle-discovery.html