John Glenn Tribute: Discovery Channel to Re-Air Documentary Sunday

The Discovery Channel will re-broadcast the first episode of its miniseries "When We Left Earth: The NASA Missions" on Sunday morning (Dec. 11) as a tribute to late astronaut John Glenn. The episode, titled "Ordinary Supermen," chronicles the early years of the Cold War space race between the United States and the Soviet Union, with special focus on the May 1961 flight of Alan Shepard (the first American in space) and the February 1962 mission of Glenn (the first American to orbit Earth). "Ordin