Challenger Explosion Video: Day of the Tragedy

(CBS) Twenty-five years ago today, the space shuttle Challenger exploded shortly after takeoff. The seven crew members on board were killed including Christa McAuliffe, a school teacher and the first citizen headed for space.

This video is from the "CBS Evening News with Dan Rather" broadcast on  the day of the tragedy.

As Rather notes in the video, the Challenger Tragedy marked the first casualties in the space shuttle program.

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