According to intelligence reports, the French were trying to acquire from US firms the diagnostic technology needed to measure a nuclear explosion. INR did not believe that France had identified a specific test site and noted that France was under pressure to hold a test somewhere other than North Africa; nevertheless it went ahead with one in Algeria in early 1960.

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

This report provided a comprehensive take on the problem of nuclear proliferation and the state of U.S. nonproliferation policy. Among the specific issues reviewed were the status of the NPT, export control issues, the problem of “peaceful nuclear explosions,” the implications of the Indian test, and long-term steps for controlling the proliferation of nuclear capabilities. Prepared by Jerome Kahan and Charles Van Doren, respectively with the State Department’s Policy Planning Staff and the Arms Control and Disarmament Agency.

ACDA report on the lasting effects of the November 1978 demarches on inverters and plutonium reprocessing technology. Describes the objectives of the demarches and the direct effects on the Pakistani nuclear program, including preventing the shipment of equipment from France, West Germany, Norway, and Switzerland. Concludes with an overview of international norms of nuclear commerce.