anti-aircraft use of atomic weapons and the fall-out effects to be 7 anticipated, This study might be made by Rand, or preferably by the ‘DOD8 jointly with the AEC, It was agreed that such a study would: be doxtrable but that further discusgion should precede any recommendation, by the GAC on the matter, - Interest was expressed in the prospects for defensive measures. against submarine~Launched atomic weapons. might be expected, Atwo hundred-mile missile The problem was to detect the submarine; there are promising deve lopmenta in detection methods. It is very difficult to detect the missile, and we do not now Imow how to defend against inter~ continental rockets, In any case the possibilities of atomic weapons in defense against airplanes should be thoroughlyexplored, The Commission had asked the GACto comment on a suggestion that the BNL Entirely Unclassified? Brookhaven National Laboratory be devoted entirely to unclassified research, in order to provide a suitablelocation where uncleared foreigners could participate in the research program, Dr. Rabi said it was his impression that present restrictions on alien participation in unclassified research stemmed more from fear of adverse public relations than from genuine security considerations. | * The Committee felt that the suggestion about BNL was in general not a good idea, It would be a real loss to the AEC not to have the, classi- fied investigations nowin ‘progress there and not to be able to call on BNL for help on other classified problems in the future, Also the move — would tend to isolate the Laboratory from the Commission's program, could have the effect of weakening the Laboratory's position, and might cause discontent within BNL or in other of the Commission's laboratories, ;

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