STS-51-B
Space flight
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STS-51-B was the 17th flight of the NASA Space Shuttle program and the seventh flight of Space Shuttle Challenger. The launch of Challenger on April 29, 1985, was delayed by 2 minutes and 18 seconds, due to a launch processing failure. Challenger... Wikipedia
Dates: Apr 29, 1985 – May 6, 1985
Crew size: 7
Launch mass: 111,980 kg (246,870 lb)
Mission duration: 7 days, 0 hour, 8 minutes, 46 seconds (achieved)
Spacecraft: Space Shuttle Challenger