23. Telegram 356 from Moscow, July 311

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Re Supnu 1722. My suggestion for revival atmospheric and underwater ban based on assumption we would at some stage decide resume testing or at least free ourselves from present moratorium. Continue to believe that at such time damage to our position in world opinion could be mitigated if not offset by new dramatic appeal for atmospheric and undersea ban. Whether this could best be done by unilateral US action or action in conference or in UN matter of judgment best tactics but would think advantage in having British act with us. Were Soviet playing our cards in this matter they would attempt mobilize opinion well in advance by diplomatic approaches to other countries, organization of public demonstrations, frequent reiteration in public statements of appeal not expose world to fallout, etc. Do not see why we should not employ same tactics. Appears likely that if Soviets resume testing they will test in atmosphere and attempt place blame on us. Do not agree that this proposal unlikely to appeal to world opinion which has shown many signs of concern over fallout dangers. Unless as sufficient public pressure built up, not entirely excluded that Soviets could be brought to agree.

Thompson
  1. Atmospheric and underwater test ban negotiations: U.S. tactical maneuver. Secret. 1 p. Department of State, Central Files, 700.5611/7–3161.