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A veteran of three space flights, Karol J. “Bo” Bobko was selected as an astronaut in 1969 and served as a crewmember on the Skylab Medical Experiments Altitude Test (SMEAT) 56-day ground simulation in preparation for the Skylab missions. He served in various positions supporting the Apollo-Soyuz Test Project and the first Approach and Landing Tests for the Space Shuttle before flying as the STS-6 pilot and as the mission commander on STS-51D and STS-51J.
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