"You heard ‘fire’. Then you heard a scream." The Apollo 1 tragedy and what happened 21 months later – Apollo’s first successful manned mission into Earth’s orbit. With Kevin Fong. Starring: George Abbey Walt Cunningham Glynn Lunney Gerry Griffin John Aaron Jerry Bostick Courtesy of the Johnson Space Center Oral History Project: Chris Kraft Gene Kranz Wally Schirra George Jeffs Courtesy of CBS News: Gus Grissom Ed White Roger Chaffee Theme music by Hans Zimmer for Bleeding Fingers Music #13MinutestotheMoon www.bbcworldservice.com/13minutes