Handpicked for You
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July 19, 1957, the heart of the Cold War.
1 test atomic warhead, detonated 18,500 feet above ground.
5 Air Force officers and 1 photographer, who volunteered to stand underneath it to demonstrate the relative safety of a low-grade nuclear exchange in the atmosphere.
As NPR's Robert Krulwich writes: "You have to see this to believe it."
