Sally Ride was not on the crew of the Challenger when it disintegrated. Her flight on Challenger was in 1983, and the accident was in 1986. No-one on board survived.
Sally Ride investigated the explosion of the Challenger in January 28, 1986. 7 crew members were on board and they all got killed. :( One of those members, Christa McAuliffe, was a teacher, not an...