![Tsar Bomba Nuclear Test 60 Years Ago Didn't Make J.F.K. Flinch](https://ic-cdn.flipboard.com/nyt.com/22e442a5a00dbbed79d5904356a48327148f7b7f/_xlarge.jpeg)
Sixty years ago on Saturday, the Soviet Union detonated the world’s most powerful nuclear weapon, with a force 3,333 times that of the bomb used on Hiroshima. As the device shattered all records, it sent shock waves through the American defense establishment: How should the United States respond? …
Author: William J. Broad
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** MORE curations: Al Cannistra at San Antonio ONE here.