| The observers must be held well away from ‘che detonation, ~- away by the order of 35 miles. There is a definite question as to whether the observers will be more impressed by the "cleanliness" or by the awesomeness of the detonation. Observers, particularly neutral observers, may depart with the feeling that the "cleanliness" is, after all, not too important an aspect of the problem of high-yield nuclear weapons. a Pam, me m= & ADA 10.

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