On January 28, 1986, Space Shuttle Challenger broke apart 73 seconds into its flight, killing all seven crew members. The spacecraft disintegrated about 46,000 feet above the Atlantic Ocean, off the c
Challenger's solid rocket boosters fly uncontrollably after the breakup of the external tank separated them from the shuttle stack. The remains of the orbiter and tank leave thin white trails as they fall toward the Atlantic Ocean.
Space Shuttle Challenger – assembled for launch along with the ET and two SRBs – atop a crawler-transporter en route to the launch pad about one month before the disaster
Cross-sectional diagram of the original SRB field joint. The top end of the lower rocket segment has a deep U-shaped cavity, or clevis, along its circumference. The bottom end of the top segment extends to form a tang that fits snugly into the clevis of the bottom segment. Two parallel grooves near the top of the clevis inner branch hold ~20 foot (6 meter) diameter O-rings that seal the gap between the tang and the clevis, keeping hot gases out of the gap.
STS-51-L crew: (back) Onizuka, McAuliffe, Jarvis, Resnik; (front) Smith, Scobee, McNair.
Christa McAuliffe
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Sharon Christa McAuliffe was an American teacher and astronaut from Concord, New Hampshire, who died on the Space Shuttle Challenger on mission STS-51-L, where she was serving as a payload specialist.
Space Shuttle Challenger disaster
…was scheduled to deploy a commercial communications satellite and study Halley's Comet while they were in orbit, in addition to taking schoolteacher Christa McAuliffe into space under the Teacher in Space Project. This latter task resulted in a higher-than-usual media interest in and coverage of the mission, and the…
McAuliffe in 1985
McAuliffe was a teacher at Concord High School in New Hampshire.
McAuliffe undergoing pre-flight training experiences weightlessness during a KC-135 "vomit comet" flight
McAuliffe (left) and her backup Barbara Morgan (right) try out space food in the canteen of the Johnson Space Center, Sep 10, 1985