Meeting #1391, 17 July 58: On the subject of oe od ki development of clean weapons, Libby said that the current Hardtack tests had demonstrated that the US had achieved a "remarkable breakthrough in the development of clean nuclear weapons, " With the other commissioners in agreement, he expressed his feelings that the Commission should renew its efforts to convince the DOD to increase their requirements for clean weapons and McCone said he would arrange a meeting with the JCS for the AEC to discuss this question and have the laboratory directors present for the meeting, Meeting #1392, 29 July 58: One of the first items was the report that the President had decided to cancel the proposed UN observers shot in Hardtack and that the Department of State had issued a press announcement along these lines on 26 July. On the subject of discussions of clean weapons and DOD requirements for such weapons, a joint AEC-DOD briefing to be conducted by the weapons lab directors on these developments and requirements was to be scheduled for the week of 11 August, Meeting #1394, 7 August 58: The chairman had received a memo from Philip Farley, special assistant to the Secretary of State, outlining pro»osed revisions to the US policy on nuclear testing and this memo was scheduled for committee consideration the next day (AEC 226/157), Another item at this meeting was "cxpansion of AEC laboratorics," in which Libby said "after serious consideration of the question of the growth 84

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