Admiral B. Hall Hanon OFFICIALUSE GIy ALl.observars will be required to sign agreenenta aimed at assuring their compidance with the rules of safety and security you may establish. This agrooment will provide that violation of the rules may result in the expulsion of the offender. Certain restrictions must, in our opinion, be applied in connectionwith observation by these uncleared individuals: Ge Ho binoculars should be permitted in the forward area, De No photography which discloses classified information should be permitted. Photography on shot days should be prohibited between shot time and shot time plus 15 seconds, except for monitored photography of personnel and shipboard scenes and locations away from zero point. Ce Coservers can be informed that delivery will be by an air drop, without aiveleing any weapon or drop characteristics. d, Ubservers can be informed that the detonation is one of several megatons but withoub statement or implication as to a more exact yield, Be ge Ubservers can be informed that the operation overeall is termed ReDVING but, of course, without details as te the number of shots or the nature of future shots. Tours which are plarmed should be conducted in such manner es to disclose no classified information, It is our understanding that detailed arrangements are being made with respect to the following: Be Security Briefing Security briefing of this group should be held at Honolulu upon assembly. This briefing should include explanations of the use of badges, identification media, photography, the projected itinerary, the fact that on each tour security escorts will be furnished and the functions of the escorts, and the types of equipment or other articles permitted. Subsequent security briefinge should take placa on board the Mt. HeKinley and prior to each tour. Emphasis in security briefings should be placed on compliance with agreements signed by news media representatives. All briefing materials will be reviewed in advance by the Atomic Energy Comzission classification and Department of Defense security review officers,

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