THE PRESIDENTS SCIENCE ADVISORY ofMGESS GOR FECRETD) Executive Office Building we to Washington, D. C, ‘ 5 MOT STA | March 28, 1958 MEMORANDUM FOR THE SPECIAL ASSISTANT TO THE PRESIDENT FOR NATIONAL SECURITY AFFAIRS SUBJECT: Transmittal of Report In accordance with Action No, 1840 of the National Security Council, as approved by the President on January 9, 1958, I submit herewith a report of the Ad Hoc Working Group devoted to the following three studies in the area of nuclear testing: 1 4 4 L * "(a) A study of the losses to the United States conse- "(b) A symmetrical study of the losses to the USSR that would accrue from cessation of nuclear testing, using the same hypothetical dates, =—=s : '"(c) A study of the technical feasibility of monitoring a test suspension, including the outlines of a surveillance and inspection system." t 4 ‘ ) * The Ad Hoc Working Gropp. submitting this report is made up of representatives nominated by the President's Science Advisory i fe mission and the Central Intelligence Agency. i nePY-1s2- 2 —_— é DECLASSIFIED DATE Y2¢ Committee, the Department of Defense, the Atomic Energy Com- E.0, 12336, SEC, 3.4 (b} crn ee eeee ee, te yp wn. quent on a total suspension of nuclear tests at specific future dates. ‘ if if } $ i ¢ : f : ‘ os The Ad Hoc Working Group, in preparing this report, limited itself to the technical feasibility of monitoring nuclear tests and to the technical losses that would result to the U.S, and the U.5.5.R. from a cessation of tests. Although the Group considered some of the military implications of these technical losses to the U.S. and the U.S.S.R., a complete evaluation of these military implications would have required extensive studies by the Department of Defense and these are not yet available, It excluded from its consideration any question of policy with respect to whether there should be a suspengion of nuclear tests. i: in in thé Attach | 7 Atomic Energy Act of 1954. its transmittal of the disclosure of its contents in any manner to . an unauthorized person is prohibited. J. » R. &. Killian, Millian J Te Chairman. TOP SECRET ' | L E r “fe Fa