page_title: STS-42
hierarchical_section_title: STS-42
caption_attribution_description: English: The STS-42 crew portrait includes from left to right: Stephen S. Oswald, pilot; Roberta L. Bondar, payload specialist 1; Norman E. Thagard, mission specialist 1; Ronald J. Grabe, commander; David C. Hilmers, mission specialist 2; Ulf D. Merbold, payload specialist 2 and William F. Readdy, mission specialist 3. Launched aboard the Space Shuttle Discovery on January 22, 1992 at 9:52:33 am (EST), the STS-41 served as the International Microgravity Laboratory-1 (ML-1 ) mission.
context_page_description: STS-42 was a Space Shuttle Discovery mission with the Spacelab module. Liftoff was originally scheduled for 8:45 EST 22 January 1992, but the launch was delayed due to weather constraints. Discovery successfully lifted off an hour later at 9:52 EST. The main goal of the mission was to study the effects of microgravity on a variety of organisms. The shuttle landed at 8:07 PST on 30 January 1992 on Runway 22, Edwards Air Force Base, California.
  STS-42 was the first of two flights in 1992 of Discovery, the second of which occurred during STS-53, which launched on 2 December 1992. The mission was also the last mission of the Space Shuttle Discovery to have a seven-member crew until STS-82, which was launched on 11 February 1997.
context_section_description: STS-42 was a Space Shuttle Discovery mission with the Spacelab module. Liftoff was originally scheduled for 8:45 EST (13:45 UTC) 22 January 1992, but the launch was delayed due to weather constraints. Discovery successfully lifted off an hour later at 9:52 EST (14:52 UTC). The main goal of the mission was to study the effects of microgravity on a variety of organisms. The shuttle landed at 8:07 PST (16:07 UTC) on 30 January 1992 on Runway 22, Edwards Air Force Base, California.
  STS-42 was the first of two flights in 1992 of Discovery, the second of which occurred during STS-53, which launched on 2 December 1992. The mission was also the last mission of the Space Shuttle Discovery to have a seven-member crew until STS-82, which was launched on 11 February 1997.
caption: Space Shuttle program
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