BI. ~ “*" 4S DEPARTMENTOF DEFENSE-: ° MILITARY LIAISON COMMITTEE P.O. BOX 1814 WASHINGTON13, D.C. Copy Zot. of Lug. 4 Pe COLLection &6 BOX No. (82. (NN3- 324 93-476) FOLDE R Dear Mr. Strauss: nig’) Gach » 22955 N18 1958 Mea V # ” 408827 * Ima letter dated 5 June 1958, the General Manager of the Atomic Energy Commission requested Military Liaison Conmittee — concurrence in the declassification of the exact location and the exact time of the Operation HARDTACK detonations which are to be jointly announced. Except as noted below, the Department of Defense concurs in the declassification of the exact location {to the nearest second) and the exact time (to the nearest 0.1 second) of Operation HARDTACK detonations which are to be the subject of joint AEC-DOD ‘announcements. However, release of this information concerning YUCCA, TEAK, ORANGE, WAHOO, UMBRELLA and ARGUS, in which the Department of Defense has the primary inter~ est, may reveal additional Information of significance which should be protected. It is recommended that ao data for the Vepartment of Defense shots be released until the information has been subjected to'a technical review and evaluation by the Department of Defense. It is suggested that prior to the actual release of any data on the exact time and place of the HARDIACK detonations, Dr. James B. Fisk, Chairman of the U. 9. group which as beendesignated to discuss with the Soviets methods for policing a test moratorium, be consulted. D yi A ¥ (IV / hae Smo / Sincerely yours, (Signed) Herbert B. Loper Herbert B. Loper Chairman Honorable Lewis L. Strauss Chairman CLASSIFICATION CANCELLED BY AUTHORITY OF DOE/OC U. S, Atomic Energy Commission CONNIZ210K 10 SHE vioNIC cM RIFILYUA CiviZzoK ce ean Crte , ao AFC ISALC/ denvicuey BEST COPY AVAILAGLE 4227-)26L 3-4 gEStF WHR S$ 3 EH 39 By P.M. Seen6 ul9o.

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