1893-1976
Eastern Europe
(372) documents
North America
South Asia
Western Europe
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1925-
1923-
April 19, 1971
KGB chief Andropov analyzes the Anti-Ballistic Missile Treaty negotiations, particularly the US negotiating positions and the preferences of various Washington agencies.
December 8, 1986
Draft resolution with instructions for announcing the expiration of the unilateral Soviet moratorium on nuclear testing on 1 January 1987.
Proposal to resume Soviet nuclear testing following the expiration of the USSR's unilateral moratorium on nuclear detonations on 1 January 1987. The US government continued nuclear testing throughout 1986 and did not join the Soviet moratorium. Proposes to announce the resumption of testing in December 1986 following the first American test explosion in 1987.
November 23, 1965
Summary of Union Carbide’s 1964 study on gas centrifuge technology’s effect on nuclear proliferation. The summary provides Union Carbide’s estimations for how long countries of varying industrial capability would take to develop a nuclear weapon, which was redacted in the original document.
March 4, 1964
Union Carbide Nuclear Company updates their previous study on the ease with which other nations could secretly create nuclear weapon facilities using the gas centrifuge.
April 22, 1960
The AEC agrees to initiate talks with Western European nations in the attempt to control nuclear proliferation through the classification of gas centrifuge technology.
April 9, 1960
Having read the Union Carbide and General Electric reports on gas centrifuges, and taking into account West Germany and The Netherlands’ unwillingness to classify their programs, the AEC looks into other courses of action, including collaboration with the other two nations and even declassifying their own program.
March 23, 1960
As West Germany and The Netherlands developed ultra-centrifuges without a classification policy, the AEC discuss ways to keep the technology under wraps without arousing suspicion from the other members of Euratom.
February 26, 1960
A Union Carbide Nuclear Company study to determine how quickly and easily foreign countries could develop and utilize gas centrifuges with the goal of creating nuclear weapon facilities. The study determines that, due to the cheap cost and relatively small size of the centrifuges, even un-industrialized countries such as Cuba could achieve this technology within 8 years if helped by a larger nation.
February 19, 1960
The development of the gas centrifuge method, according to this report, would make production of U-235 (and by extension, nuclear weapons) possible for as many as 20-30 foreign countries. The U.S. is thus forced to consider its strategy for how to limit proliferation despite this new, cheap technology.