2 December 1990, 06:49:01 UTC: At 1:49:01 a.m. EST, Space Shuttle Columbia (STS-35) lifted off from Launch Complex 39B at the Kennedy Space Center, Cape Canaveral, Florida. This was Columbia‘s 10th flight. STS-35 was a scientific mission, with the ASTRO-1 observatory.
The flight crew consisted of Mission Commander Vance D. Brand on his fourth and final space flight, and shuttle pilot Colonel Guy S. Gardner, U.S. Air Force, on his second. There were three Mission Specialists and two Payload Specialists: Jeffrey A. Hoffman, Ph.D., second space flight; John M. Lounge, third flight; Robert A.R. Parker, Ph.D., second flight; Samuel T. Durance, Ph.D., and Ronald A. Parise, Ph.D., were both on their first flights.
Columbia landed at Edwards Air Force Base in the high desert of southern California at 05:54:08 UTC, 11 December 1990. The duration of the mission was 8 days, 23 hours, 5 minutes, 8 seconds.
28 November 1983, 16:00:00.84 UTC, T minus Zero: Space Shuttle Columbia (STS-9) lifted of from Launch Complex 39A, Kennedy Space Center, Cape Canaveral Florida on its sixth space flight.
On board was the largest flight crew for a manned space mission up to that time: Mission Commander John W. Young (Captain, United States Navy, Retired), Pilot; Lieutenant Colonel Brewster H. Shaw, Jr., United States Air Force; Mission Specialists Owen K. Garriott, Ph.D., and Robert A.R. Parker, Ph.D.; and Payload Specialists Ulf Dietrich Merbold, Dr. rer. nat, of the European Space Agency (ESA); and Lieutenant Colonel Byron K. Lichtenberg, D.Sc., USAF (Massachusetts Air National Guard).
Columbia carried the NASA/ESA Spacelab module in the cargo bay. The mission was primarily to carry out 72 scientific experiments in astronomy, physics, biology, as well as to make observations of the Earth.
Columbia landed at Edwards Air Force Base, California at 23:47:24 UTC (3:47 p.m., PST), 8 December 1983. At 10 days, 7 hours, 47 minutes, 24 seconds, STS-9 was the longest space shuttle mission up to that time.