Welcome to Spaceflight Now's comprehensive coverage of Space Shuttle Columbia's STS-109 flight that will be the fourth mission to service and upgrade the orbiting Hubble Space Telscope. E-mail us your comments, suggestions and corrections!
Columbia returns from Hubble service call
Space shuttle Columbia and her crew of seven astronauts touched down at Kennedy Space Center's three-mile long runway at 4:32 a.m. EST (0932 GMT) March 12, capping a highly successful mission to service and extend the scientific reach of the Hubble Space Telescope. FULL STORY MISSION STATUS CENTER ENTRY AND LANDING EVENTS CHART