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Digital Archive International History Declassified

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  • May 31, 1957

    Department of State Office of Intelligence Research, 'OIR Contribution to NIE 100-6-57: Nuclear Weapons Production by Fourth Countries – Likelihood and Consequences'

    This lengthy report was State Department Bureau of Intelligence and Research's contribution to the first National Intelligence Estimate on the nuclear proliferation, NIE 100-6-57. Written at a time when the United States, the Soviet Union, and the United Kingdom were the only nuclear weapons states, the “Fourth Country” problem referred to the probability that some unspecified country, whether France or China, was likely to be the next nuclear weapons state. Enclosed with letter from Helmut Sonnenfeldt, Division of Research for USSR and Western Europe, to Roger Mateson, 4 June 1957, Secret

  • February 18, 1960

    Hugh S. Cuming, Director, Office of Intelligence and Research, to Secretary of State, 'Growing Revelation of West German Interest in Nuclear Striking Force in Europe'

    This State Department intelligence report touched upon a key issue for West German policy: a desire to upgrade West Germany’s nuclear role without putting it in control of nuclear weapons. According to the Bureau of Intelligence and Research (INR), the West Germans faced a “dilemma” because of the development of Soviet strategic missile capabilities.

  • April 23, 1965

    Intelligence Note from Thomas L. Hughes to the Secretary, 'Will Communist China Assist Other Nations in Acquiring Nuclear Weapons?'

    Only months after China’s first nuclear test in October 1964, INR looked into whether Beijing would help other nations get the bomb.