STS-55

space shuttle mission

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July 22, 2026

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STS-55 was a mission of the space shuttle Columbia that took place from April 26 to May 6, 1993. The primary payload for this mission was the German-built Spacelab D-2 module. Spacelab was a European-developed system of pressurized modules carried in the shuttle's payload bay, used for various scientific research, including microgravity, life sciences, and materials sciences. The STS-55 mission involved a crew of seven astronauts, including U.S. astronauts Steven Nagel, Terence Henricks, Jerry Ross, Charles Precourt, Bernard Harris, Ulrich Walter, and Hans Schlegel.12

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Jerry Ross
…the Compton Gamma Ray Observatory), STS-55 (1993, payload of the German Spacelab D-2), STS-74 (1995, the second docking of a space shuttle with the Russian space station Mir), STS-88 (1998, the first assembly mission for the International Space Station [ISS]), and
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…the Compton Gamma Ray Observatory), STS-55 (1993, payload of the German Spacelab D-2), STS-74 (1995, the second docking of a space shuttle with the Russian space station Mir), STS-88 (1998, the first assembly mission for the International Space Station [ISS]), and
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