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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.
First Air Date : Oct 04, 1988
Last Air date : Jan 06, 2026
Episode : 399 Episode
Season : 37 Season
Runtime: 55:14 minutes
Studio: PBS
Country: United States of America
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