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June 4, 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 document was made possible with support from Carnegie Corporation of New York (CCNY)

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


Document Information

Source

Record Group 59, Special Assistant to the Secretary of State for Atomic Energy, Records Relating to Disarmament, 1948-1962, box 57, 2 15d: Armaments Nuclear Fourth Countries, 1956-57. Contributed by William Burr, National Security Archive.

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Original Uploaded Date

2016-05-17

Type

Letter Report

Language

Record ID

134043

Original Classification

Secret

Donors

Carnegie Corporation of New York (CCNY)