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Spacelab Payloads on Shuttle Flights
 
Spacelab Flights were flights that carried either the Spacelab module, Spacelab pallet or Spacelab Multipurpose Experiment Support Structure (MPESS) in the orbiter payload bay.


STS-9 Columbia, Nov. 28 - Dec. 8, 1983 was the first Spacelab module flight, Spacelab-1.
 
STS 51-B Challenger, April 29 - May 6, 1985 this flight was considered to be the first operational flight of the Spacelab module. Spacelab-3 covered five basic fields of investigation. Spacelab-3 was flown out of sequence and ahead of Spacelab-2.
 
STS 51-F Challenger, July 29 - Aug. 6, 1985 Spacelab-2 was the primary payload. Instead of a laboratory module, this a featured three-pallet train holding instruments exposed to the space environment. This was the second and final Spacelab verification flight.
 
STS 61-A Challenger, Oct. 30 - Nov. 6, 1985 this flight was a dedicated German Spacelab (Spacelab D-1) mission featuring the Spacelab module.
 
STS-35 Columbia, Dec. 2 - 10, 1990 the first flight of the astronomical observatory, ASTRO-1, a collection of instruments mounted atop the Spacelab Instrument Pointing System and pallets in the orbiter payload bay.
 
STS-40 Columbia, June 5 - 14, 1991 the fifth dedicated Spacelab mission carried the Spacelab Life Sciences-1 (SLS-1), the first Spacelab flight dedicated to a single discipline, the life sciences.
 
STS-42 Discovery, Jan. 22 - 30, 1992 the first flight of the International Microgravity Laboratory-1 (IML-1), featuring a Spacelab module.
 
STS-45 Atlantis, March 24 - April 2, 1992 the first flight of the Atmospheric Laboratory for Applications and Science-1 (ATLAS-1), mounted on non-deployable Spacelab pallets.
 
STS-50 Columbia, June 25 - July 9, 1992 the first flight of the U.S. Microgravity Laboratory-1 (USML-1) in a Spacelab module.
 
STS-47 Endeavour, Sept. 12 - 20, 1992 A Spacelab flight jointly sponsored by the United States and Japan, designated as Spacelab-J (SL-J), featuring a Spacelab module.
 
STS-52 Columbia, Oct. 22 - Nov. 1, 1992 the first flight of the U.S. Microgravity Payload-1 (USMP-1), a complement of three experiments mounted on two connected Spacelab Multipurpose Experiment Support Structures (MPESSs) in the cargo bay of Columbia.
 
STS-56 Discovery, April 8 - 17, 1993 the second flight of the Atmospheric Laboratory for Applications and Science, ATLAS-2, mounted on a Spacelab pallet.
 
STS-55 Columbia, April 26 - May 6, 1993 the second dedicated German Spacelab flight, Spacelab D-2, featuring a Spacelab laboratory module.
 
STS-58 Columbia, Oct. 18 - Nov. 1, 1993 the second dedicated Spacelab Life Sciences mission (SLS-2) using a Spacelab module.
 
STS-62 Columbia, March 4 - 18, 1994 the second flight of the U.S. Microgravity Payload-2 (USMP-2) mounted on two connected Spacelab Multipurpose Experiment Support Structures (MPESSs) in the orbiter payload bay.
 
STS-65 Columbia, July 8 - 23, 1994 the second flight of the International Microgravity Payload (IML-2) with Spacelab module.
 
STS-66 Atlantis, Nov. 3 - 14, 1994 the third flight of the Atmospheric Laboratory for Applications and Science (ATLAS-3) on a Spacelab pallet in the payload bay.
 
STS-67 Endeavour, March 2 - 18, 1995 the second flight of the astronomical observatory (ASTRO-2), mounted on the Spacelab Instrument Pointing System and pallets in the orbiter payload bay.
 
STS-73 Columbia, Oct. 20 - Nov. 5, 1995 the second flight of the U.S. Microgravity Laboratory (USML-2) in the Spacelab module.
 
STS-75 Columbia, Feb. 22 - March 9, 1996 the third flight of the U.S. Microgravity Payload (USMP-3) on the Spacelab pallet.
 
STS-78 Columbia, June 20 - July 7, 1996 the Life and Microgravity Spacelab (LMS) on the longest shuttle flight to date.
 
STS-83 Columbia, April 4 - 8, 1997 the Microgravity Science Laboratory-1. The planned 16-day mission was cut short after a fuel cell malfunction.
 
STS-94 Columbia, July 1 - 17, 1997 the Microgravity Science Laboratory-1 reflight.
 
STS-90 Columbia, April 17 - May 3, 1998 the Neurolab which was the final Spacelab mission.