STS-51-F – Spacelab 2 – Fullerton, Bridges, Musgrave, England, Henize, Acton, Bartoe Mission Patch NASA – Space Shuttle Patch 4.5 x 4 in. USED
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STS-51-F (also known as Spacelab 2) was the 19th flight of NASA’s Space Shuttle program and the eighth flight of Space Shuttle Challenger. It launched from Kennedy Space Center, Florida, on 29 July 1985, and landed just under eight days later on 6 August 1985.
While STS-51-F’s primary payload was the Spacelab 2 laboratory module, the payload that received the most publicity was the Carbonated Beverage Dispenser Evaluation, which was an experiment in which both Coca-Cola and Pepsi tried to make their carbonated drinks available to astronauts. A helium-cooled infrared telescope (IRT) was also flown on this mission, and while it did have some problems, it observed 60% of the galactic plane in infrared light.
During launch Challenger experienced multiple sensor failures in its center RS-25 engine, which led to it shutting down and the shuttle had to perform an “Abort to Orbit” (ATO) emergency procedure. It is the only Shuttle mission to have carried out an abort after launching. As a result of the ATO, the mission was carried out at a slightly lower orbital altitude.
STS-51-F details courtesy of Wikipedia.