In the 1950s and early '60s, a small band of high-altitude pioneers exposed themselves to the extreme forces of the space age long before NASA's acclaimed Mercury 7 would make headlines. Though largely forgotten today, balloonists were the first to venture into the frozen near-vacuum on the edge of our world, exploring the very limits of human physiology and human ingenuity in this lethal realm.
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Cast
Michael Murphy
Narrator
Burkhard Bilger
Self
Scott Carpenter
Self (archive footage)
Francis French
Self
John Glenn
Self (archive footage)
Cooper Gordon
Self
Gus Grissom
Self (archive footage)
Wally Schirra
Self (archive footage)
Alan Shepard
Self (archive footage)
John Paul Stapp
Self (archival footage)
Dana Kilanowski
Self
David Simons
Self (archive footage)
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