Prensa Latina / Reuters A tank of the Cuban Armed Forces is seen in position near the area where some 1,500 anti-Castro allies came ashore at Playa Giron beach during the Bay of Pigs invasion on the south coast of Cuba, April 1961.

Cuba and Pearl Harbor: Hindsight and Foresight

To recall the atmosphere of September and October 1962 now seems almost as difficult as to recreate the weeks, more than two decades earlier, before the attack on Pearl Harbor. But if we are to understand the onset of the Cuban missile crisis, it is worth the effort. Indeed we may learn something about the problems of foreseeing and forestalling or, at any rate, diminishing the severity of such crises by examining side by side the preludes to both these major turning points in American history. In juxtaposing these temporally separate events, our interest is in understanding rather than in drama. We would like to know not only how we felt, but what we did and what we might have done, and in particular what we knew or what we could have known before each crisis.

Afterthoughts come naturally following the first wave of relief and jubilation at having weathered the missile crisis and forced the withdrawal of the missiles. But it is good to keep in mind the obvious contrast with Pearl Harbor. At the least, Pearl Harbor was a catastrophe, a great failure of warning and decision. At the very worst, the missile crisis was a narrow escape. Taken as a whole, however, its outcome must be counted as a success both for the intelligence community and the decision-makers. But a comparison of the failure at Pearl Harbor and the Cuban success reveals a good deal about the basic uncertainties affecting the success and failure of intelligence.

It is true for both Pearl Harbor and Cuba that we had lots of information about the approaching crisis. In discussing this information it will perhaps be useful to distinguish again between signals and noise. By the "signal" of an action is meant a sign, a clue, a piece of evidence that points to the action or to an adversary's intention to undertake it, and by "noise" is meant the background of irrelevant or inconsistent signals, signs pointing in the wrong directions, that

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