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| STS-32 | |
|---|---|
| Name | STS-32 |
| Mission type | Satellite deployment / retrieval mission |
| Operator | NASA |
| Mission duration | 10 days, 21 hours, 0 minutes, 7 seconds |
| Launch date | January 9, 1990 |
| Launch site | Kennedy Space Center Launch Complex 39 |
| Landing date | January 20, 1990 |
| Orbit perigee | 280 km |
| Orbit apogee | 620 km |
| Orbit inclination | 28.45° |
| Spacecraft | Space Shuttle Discovery |
STS-32.
STS-32 was a 1990 NASA Space Shuttle mission flown by Space Shuttle Discovery that conducted the retrieval of a malfunctioning Long Duration Exposure Facility and the deployment of a military and scientific payload set, operating from Kennedy Space Center Launch Complex 39 to a landing at Edwards Air Force Base. The flight combined orbital operations, remote manipulator system activities, and space environment exposure experiments, representing a conjunction of civilian National Aeronautics and Space Administration objectives with Department of Defense and international scientific interests.
The mission launched from Kennedy Space Center atop a Space Shuttle stack carrying the Long Duration Exposure Facility (LDEF) and several secondary payloads for Department of Defense and university investigators. Flight operations included rendezvous with a derelict science platform, use of the Remote Manipulator System and extravehicular activity preparations to secure LDEF for stowage in the orbiter bay. Mission planners from Johnson Space Center, Marshall Space Flight Center, and JSC engineering teams coordinated with United States Air Force tracking stations, European Space Agency ground assets, and contractors such as Rockwell International and Martin Marietta to manage ascent, on-orbit, and reentry phases.
The five-person crew was commanded by a veteran NASA astronaut with support from a pilot and three mission specialists drawn from United States Naval Test Pilot School, US Air Force Test Pilot School, and civilian research institutions. Crew training included simulations at Neutral Buoyancy Laboratory facilities, briefings at George C. Marshall Space Flight Center, and contingency exercises with Mission Control Center (Houston). The team integrated cross-disciplinary expertise spanning orbital mechanics, remote manipulator operations, payload integration, and exposure experiment handling.
Primary payloads included the retrieval of Long Duration Exposure Facility (LDEF), an array of passive material exposure experiments from institutions such as California Institute of Technology, Massachusetts Institute of Technology, Stanford University, University of Michigan, Pennsylvania State University, and NASA Ames Research Center. Secondary payloads encompassed Department of Defense test articles, university microgravity investigations from University of Colorado, University of California, Berkeley, and international experiments sponsored by Canadian Space Agency, French National Centre for Space Studies, and United Kingdom Space Agency collaborators. Payload elements interacted with the Orbiter Payload Bay, the Canadarm or Shuttle Remote Manipulator System, and instrumentation provided by Jet Propulsion Laboratory and Goddard Space Flight Center.
After ascent from Launch Complex 39A into a low Earth orbit inclined to 28.45 degrees, the orbiter performed phasing burns using its OMS engines to approach LDEF. The crew executed a series of rendezvous maneuvers guided by flight rules developed at Mission Control Center (Houston) and aided by sensors from Johnson Space Center avionics suites. Using the Remote Manipulator System, astronauts grappled LDEF and secured it in the payload bay; subsequent on-orbit activities included inspection, sample transfer, and documented photography by crew members trained at NASA JSC. Mid-mission operations featured payload checkout, deployment rehearsals, and continuous telemetry links through White Sands Tracking Station and Goldstone Deep Space Communications Complex. The orbiter conducted deorbit burns developed by flight dynamics teams at Goddard Space Flight Center and executed a runway landing at Edwards Air Force Base, where recovery teams from Dryden Flight Research Center managed postlanding safing and payload offload.
The mission insignia combined imagery of the orbiter silhouette, an artistic representation of the retrieved exposure platform, and symbolic references to the international and military partnerships involved. Patch design consultations included heraldry input from United States Space Command liaison officers, creative direction influenced by veteran insignia designers who previously worked on Apollo 11 and Skylab mission patches, and approval workflows administered by NASA Headquarters.
The successful retrieval of LDEF provided an unprecedented dataset on long-term materials exposure to the space environment, informing materials science programs at Boeing, Lockheed Martin, General Electric, and academic laboratories at MIT, Caltech, and University of Illinois Urbana–Champaign. Results influenced spacecraft shielding design, thermal coatings development, and contamination control protocols used by Hubble Space Telescope servicing missions and by orbital platforms such as International Space Station partner modules. Operational lessons on rendezvous, remote manipulator employment, and payload handling fed into procedures used on later shuttle missions and commercial resupply operations involving Northrop Grumman and SpaceX vehicles. The mission’s archival data remains curated at National Archives and Records Administration facilities and in research repositories at NASA Ames Research Center and Goddard Space Flight Center, supporting ongoing studies in orbital materials degradation, micrometeoroid and debris impacts, and long-duration exposure effects for future exploration initiatives involving Artemis program planning and deep-space mission architecture development.