DEPARTMENT OF DEFENSE MILITARY LIAISON COMMITTEE P,O, Box 1814 Washington 25, D.C. June 20, 1956 Dear Mr, Strauss: Inclosed is a letter from the Chief of Naval Operations which transmits the technical material for briefing forsign observers at Operation REDWING. I understand that members of your staff have assisted in the preparation of the briefing material, The attached document, "Proposed Talk to UX+Canadian Observers to be given by Dr. William E, Ogle," contains Restricted Data which has not been previously determined to be transmissible to foreign nations in accordance with the Atomic Energy Act of 1954, The Department of Defense, in accordance with provisions of Section 144b of the Atomic Energy Act of 1954, has deter- mined that the transmission of information relating to design or fabrication of atomic weapons which is to be given to the foreign observers at Operation REDWING as contained in Inclosure 2 will not reveal important information concerning the design or fabrication of the nuclear components of an atomic weapon and is, therefore, transmissible under existing Agreements for Cooperation for Mutual Defense with the United Kingdom and Canada, It is requested that the Atomic Energy Commission join with the Department of Defense in the determination that the information cited above will not reveal important information concerning the design or fabrication of nuclear components of an atomic weapon and concur in the use of the inclosed material for briefing foreign observers at Operation REDWING, Sincerely, /s/ Herbert B. Lopel Chairman 2 Inclosures Ll. CNO Ltr for Ch, MLC ‘2, dtd 19 June 56, Proposed Talk Honorable Lewis L, Strauss Chairman, U. S. Atomic Energy Commission - 4 - ee Appendix "al

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