5 U.K, and 10 Canadian observers. By letter dated February 9, 1956 (AEC 787/16) the Deputy Secretary of Defense advised the Commission that dissemination of atomic information to these foreign gse40E'Swould be within the provision of Section 144b of the Atomic Energy Act of 1954 and subject to the appro~ priate procedures pertaining to the necessary joint determina~- tions required by Section 144pb, 5. The DOD program places a five day limitation on the stay of each observer group in the PPG. necessary for use as a general rule. This is considered It is understood that CJTF~7 intends to temper application of the rule as appropriate in cases involving VIP. 6. The DOD program in AEC 787/17 specifies that representatives of the press or public information service will not be invited. On the other hand, we are of the opinion that DOD and AEC public information service representation will be needed throughout the series, e . 7. The official observers will have "Q" ox,appropriate clearances, Information imparted in general briefings will be limited to weapon effects, size, weight, yield, etc. Speci- fically excluded will be information revealing the theory of TN design and specific amounts of fissionable and TN material, Information to which the U.K-Canadian observers will have access is yet to be determined by joint agreement between AEC and DOD, STAFF JUDGMENTS 8, The Divisions of Classification, Information Services and Security and the Office of the General Counsel concur in the recommendation of this paper, vem yy f ep) lef

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