Teacher in Space Christa McAuliffe on the KC-135 for zero-G training

S86-25180 (October 1985) --- Sharon Christa McAuliffe, STS-51L citizen observer/payload specialist, representing the Teacher-in-Space Project, floats forward and upward during a few moments of weightlessness aboard a KC-135 aircraft. The flight is part of her training for the scheduled five-day flight aboard the Challenger in January of next year. Barbara R. Morgan, backup payload specialist for STS-51L, is partially visible in the background. The photo was taken by Keith Meyers of the New York Times. Photo credit: NASA