Remembering the Challenger disaster 25 years later

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An official portrait shows the STS-51L crewmembers. Back row (L to R): Mission Specialist, Ellison S. Onizuka, Teacher in Space Participant Sharon Christa McAuliffe, Payload Specialist, Greg Jarvis and Mission Specialist, Judy Resnik. Front row (L to R): Pilot Mike Smith, Commander, Dick Scobee and Mission Specialist, Ron McNair.