EY and agreed that he should discuss with the DOD the question of cancelling the shots as wellas the use of JIL if the shots are to be carried out. The subject DOD concurrence on the alternative location and a final Presidential determination, the AEC would proceed with plans for the high altitude tests at Johnston Island.'' Also entering into the discussion was the fact that the Army had already launched the satellite which was to make certain measurements and that a time delay would lead to the possibility of it not operating when needed. Other items at these meetings included Flobergs comments ona recently detected but uidentified seismic signal which demonstrates the difficulty of certain identification of each Soviet test and he suggested that Senator Humphrey be apprised of these reports and their relationship to establishing a fool-proof weapons test detection system ''Senator Humphrey, he recalled, had been urging that U.S. agree to a suspension of nuclear weapons test based on a world wide system of test detection." Also, in the 1April meeting, '' Mr. Strauss referred toa press conference held earlier in the day by Dulles, and said that Dulles had commented on recent White House consideration of a possible statement regarding cessation of nuclear tests in anticipation of the USSR statement on this subject." Meeting #1351,4 April 58: The discussion on the high altitude snots continued, with the inclusion of General Loper, assistant to the Secretary of Defense for Atomic Energy.

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