Christa McAuliffe and Barbara Morgan, Teacher in space primary and backup crew members for Shuttle Mission STS-51L. This mission ended in failure when the Challenger orbiter exploded 73 seconds after launch on January 28, 1986.
NASA/JSC
circa 1985 <div style="display: none;">date QS:P,+1985-00-00T00:00:00Z/9,P1480,Q5727902</div>
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