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The crew of Space Shuttle Mission STS-47 ((clockwise from top left) American NASA astronaut Robert L Gibson, American NASA astronaut Curtis L Brown, American NASA astronaut Mae C Jemison, Japanese NASDA astronaut Mamoru Mohri, American NASA astronaut Mark C Lee, American NASA astronaut Jan Davis, and American NASA astronaut Jerome Apt (centre)) pose for their traditional onboard portrait in the Spacelab Japan (SLJ) science module aboard the Space Shuttle Endeavour, during mission STS-47, 12th to 20th September 1992. Lee and Davis are married, the first married couple to be in space at the same time. (Photo by Space Frontiers/Archive Photos/Hulton Archive/Getty Images)