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Crewmember in Spacelab wearing the acceleration recording unit and collar

(November 1, 1993) Astronaut and surgeon Rhea Seddon (b 1947), STS-58 Payload Commander, spins the Spacelab Life Sciences (SLS-2) rotating chair as Payload Specialist and pathologist Martin J Fettman (b 1956) serves as test subject. The two joined five NASA astronauts for 14 days of medical research aboard the Earth-orbiting Space Shuttle Columbia. (Source: NASA/Johnson Space Center [Houston]. NASA ID: sts058-202-002. Public domain.)

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