CES OD eae Ra ooATIL This document consists of Copy No. VU of 2 25pages Series A ATOMIC ENERGY COMMISSION DEMONSTRATION SHOT FOR OPERATION HARDTACK Report to the General Manager by the Director of Military Application 1. The purpose of this report is to present information on the various means which are under consideration for carrying out a "demonstration shot" in Operation HARDTACKto furnish an international observer group an opportunity to observe the reduced radioactive fallout characteristic (nature) of a U. S. test. 2. The President, at a press conference on July 3, 1957; stated his intention to invite other nations to observe our ability to produce weapons with reduced fallout. The pertinent extracts from the President's statements are given in Appendix "A". 3. On September 15, 1957, the Atomic Energy Commission and the Department of Defense jointly announced a series of nuclear tests to begin in April, (Appendix "B'). 1958 at the Eniwetok Proving Ground In this announcement it was stated that: "A United Nations agency will be invited to designate an international group to observe one of the detonations involving limited fallout and studies are under way to determine the instrumentation Which will facilitate their observation without making disclosures which would compromise restricted weapon information in violation of the Atomic Energy Act of 1954," 4. The international observer group should be under the auspices of an appropriate United Nations agency in order that This document contains restricted data as defined in the Atomic Energy Act of 1954. Tts transmittal or the disclosure of its contents in any manner to an unauthorized ' person is prohibited. ~ L ~ CUP AD Aap RINIE I

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