This is an archived blog post from The Acorn.
…during years of the high Cold War, there was always political capital to be earned from exaggerating the dangers or benefits of any particular nuclear strategy or weapons system. But even for those within the two governments with the best of intentions, trying to find security among the shifting and partly obscured maps of both sides’ evolving force structures led to convoluted and sometimes absurd conclusions.
Robert McNamara, for example, visited the Omaha offices of the Joint Strategic Target Planning Staff for a briefing about the US nuclear target list in February 1961, shortly after he became secretary of defense. McNamara was curious to compare the targeting-system criteria to a target known to have been destroyed, Hiroshima, burned out by a mass fire after a fifteen kiloton bomb, Little Boy, exploded 1,900 feet above the city center on 6 August 1945. This dialogue ensued:
Q.—McNamara—Have you applied your procedures to Hiroshima?
A.—Smith—Yes. 3 DGZs of 8o KT each.
That is, were Hiroshima still a target, the JSTPS would have identified three designated ground zeros (DGZs) within the city and would have assigned three nuclear weapons, each equivalent to eighty kilotons of TNT, to destroy them. Such overkill gives meaning to Winston Churchill’s notorious 1954 comment, “If you go on with this nuclear arms race, all you are going to do is make the rubble bounce.” In the real world, one bomb of fifteen kilotons had been more than sufficient.[Arsenals of Folly]
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