- + Magute 4 -- aft oom bobs Labs 4198i b sosstn ane,°BC ‘oh/4 - Proposed Test Plans for" catenaie” Meeting ... (pp. 19-50) “2418-56 letter Under consideration by the Commission was a draft ° 3 to the President requesting his approval of Operation PILGRIM a press release on the test series. (See AEC 944/4.) 408727 j Mr. ‘Strauss referred to the proposed underground 2ag scheduled for Operation PILGRIM and said that in a conversation “= concern about this shot. Cm) ey wv. Fhee~ 3419/86 shot were detonated, it would be impossible to correct the i mpression on the part of many people that the earthquake had BEVEWED 8Y been caused by the underground shot. Mr. Libby said he strongly Suggested that the underground shot not be eliminated from the test series and said he was convinced there is no real danger hat the shot would cause an earthquake. The knowledge gained ne fe said he did not believe this particular shot could be eesa ae . eat e . -Isuccessfully carried out in the Pacific, because the coral structure of the atolls differs greately from the soil Ss z x igen rete from this shot alone, ‘Mr. Libby said, would be of croater:tig LDER conection 3a } CLASSIFICATION CANCELLED C Mr. Bradbury had indicated that if an earthquake occurred within 24 hours after the underground $y Se CONGIRMED TO BE UNCLASS} Fre ab-77 0/96 AUTHORITY OF DOE/ Oa with Mr. Bradbury earlier in the day, Mr. Bradbury had expressed in the U.S. structure Mr. Libby added that he believed seismologists should continue to be consulted about the possible effects of ajan underground shot, but that the letter to the President should U \ not indicate any uncertainty about this shot being carried out. The Commissioners agreed to delete from the letter the word re 'tentative" as it refers to the underground shot. ca The Commissioners then discussed and agreed upon several revisions to the press release on Operation PILGRIM. Mr. Strauss requested that a statement be included to the effect that high yield weapona cf the type tested at Eniwetok Proving Grounds are not tested in Nevada. They also agreed that the reference to the use of captured balloons during the test operation should _be deleted from the Dress . release. The Commissioners also.

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