Kennedy and the 48 Hours That Made History,” said in an interview that Dr. But he decided not to go in the bomb direction.”Īndrew Cohen, author of “Two Days in June: John F. “It’s clear that Kennedy was on the fence. “It went all the way to the top,” Alex Wellerstein, a nuclear historian at the Stevens Institute of Technology in Hoboken, N.J., and the study’s author, said in an interview.

He chose not only to ignore the military’s appeals for deadlier arms, but to sponsor and sign an East-West treaty that precluded more superweapons. The report shows that the secret debate over what to do about the unprecedented Soviet blast was ended by President John F. A new study, based on recently declassified documents, offers insights into how an earlier president resolved a comparable dilemma. As the device shattered all records, it sent shock waves through the American defense establishment: How should the United States respond? Did the nation need bigger, more destructive arms? Was it wise to do nothing? What was the best way to protect the nation from the deadly stirrings of a belligerent foe?Īmerican policymakers now face similar questions as bold rivals pursue novel delivery systems for their nuclear arms.

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.

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