The documentary tells the story of Gus Grissom, Ed White and Roger Chaffee, who died after a fire erupted in their spacecraft on the launch pad.

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Before Apollo astronauts ... sent back 7,137 images of the lunar surface. The last image, taken at an altitude of 1,600 feet and 0.28 seconds before Ranger 8 impacted at 1.67 miles per second ...