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STS-50 Mission: USML-1
Space Shuttle: Columbia
Launch Pad: 39A 
Launch Weight: 257,265 pounds
Launched: June 25, 1992, 12:12:23 p.m. EDT
Landing Site: Kennedy Space Center, Florida
Landing: July 9, 1992, 7:42:27 a.m. EDT
Landing Weight: 228,127 pounds
Runway: 33 
Rollout Distance: 10,674 feet
Rollout Time: 59 seconds
Revolution: 221
Mission Duration: 13 days, 19 hours, 30 minutes, 04 seconds
Orbit Altitude: 160 nautical miles
Orbit Inclination: 28.45 degrees
Miles Traveled: 5.8 million 

Crew Members

                    

Image above: STS-50 Crew photo with Commander Richard N. Richards, Pilot Kenneth 
D. Bowersox, Mission Specialists Bonnie J. Dunbar, Ellen S. Baker, Carl J. Meade 
and Payload Specialists Lawrence J. DeLucas and Eugene H. Trinh. Image Credit: 
NASA 

Mission Highlights

 The primary payload was the United States Microgravity Laboratory-I (USML-1), a 
manned Spacelab module with a connecting tunnel to the orbiter crew compartment. 
USML-1 was a national effort to advance microgravity research in a broad number 
of disciplines. The 13 day mission, the first Extended Duration Orbiter flight 
and the longest space shuttle mission to date, also provided new information on 
the effects of long-term human stay in space. Experiments conducted were: 
Crystal Growth Furnace (CGF), Drop Physics Module (DPM), Surface Tension Driven 
Convection Experiment (STDCE), Zeolite Crystal Growth (ZCG), Protein Crystal 
Growth (PCG), Glovebox Facility (GBX), Space Acceleration Measurement System 
(SAMS), Generic Bioprocessing Apparatus (GBA), Astroculture-1 (ASC), Extended 
Duration Orbiter Medical Project (EDOMP), and Solid Surface Combustion 
Experiment (SSCE).

Secondary experiments included Investigation in Polymer Membrane Processing 
(IPMP), Shuttle Amateur Radio Experiment II (SAREX-II), and Ultraviolet Plume 
Instrument (UVPI).

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