Remembering Challenger 27 years later

4 of 22: In this photo provided by NASA, Sharon Christa McAuliffe rides in a T-38 trainer jet over Galveston Bay during training for the launch of Space Shuttle Challenger mission 51-L. Part of Galveston Island and the Houston, Texas metropolitan area can be seen in background at top left, Jan. 16, 1986. McAuliffe, of Concord, N.H. will represent the Teacher in Space Project aboard the Challenger. (AP Photo/ NASA)

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