Colonel in the United States Air Force, a NASA astronaut and a veteran of two Space Shuttle missions. She was selected by NASA in 1992 to become a mission specialist astronaut. Coleman logged over 500 hours in space. In 1995, she was a member of the (Space Transport System) STS-73 crew on the scientific mission USML-1 with experiments including biotechnology, combustion science and the physics of fluids. During the flight, she reported to Houston Mission Control that she had spotted an unidentif ...