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Documents

June 23, 1963

National Intelligence Estimate NIE 4-63, 'Likelihood and Consequences of a Proliferation of Nuclear Weapons Systems'

This NIE comes to the general conclusions that “there will not be a widespread proliferation of nuclear weapons over the next 10 years” and discusses programs in various countries (Israel, China, Sweden, India, West Germany, Japan, etc.) This copy includes newly declassified references to the Israeli nuclear weapons program, including the conclusion that “the Israelis, unless deterred by outside pressure, will attempt to produce a nuclear weapon some time in the next several years.”

May 31, 1983

Meeting Minutes of the Politburo of the CC CPSU, Regarding Western Plans for Deployment of New Nuclear Weapons in Europe

Politburo discussion, presided over by Andropov, on how to respond to the Western decision to deploy new nuclear weapons in Europe.

April 19, 1971

Memorandum from Andropov to Ustinov, Regarding US Positions in the Anti-Ballistic Missile Negotiations

KGB chief Andropov analyzes the Anti-Ballistic Missile Treaty negotiations, particularly the US negotiating positions and the preferences of various Washington agencies.

January 25, 1946

Handwritten notes by Igor V. Kurchatov, Director of the Soviet Nuclear Program, on a Meeting with Stalin, Beria and Molotov

Excerpts from Igor V. Kurchatov's handwritten notes from a conversation with Stalin on the secret Soviet nuclear project, accompanied by Beria and Foreign Minister V.M. Molotov, at the Kremlin on the evening of 25 January 1946.

September 29, 1944

Letter, Igor V. Kurchatov, Director of the Soviet Nuclear Program, to Lavrenti Beria

In this letter, physicist Igor V. Kurchatov, the scientific director of the Soviet nuclear project, writes to secret police chief Lavrenti Beria, whom Stalin had given principal responsibility for the atomic effort. Prodded by his own scientists and by intelligence reports of the secret Anglo-American atomic enterprise, Stalin had initiated a small-scale Soviet nuclear weapons program in late 1942-early 1943. But the level of support political leaders had given the project failed to satisfy Kurchatov, who pleaded with Beria for additional backing.

June 13, 1962

Telegram from Polish Embassy in Havana (Jeleń), 13 June 1962

Rapacki asks for more information on the rumor regarding equipping the FRG (Federal Republic of Germany) with atomic weapons.

January 25, 1962

Telegram from Polish Embassy in Havana (Jeleń), 25 January 1962

Jelen reports that the information he is getting from the Punta [del Este] is fragmentary. He also reports that Fidel decisively rejected the concept of “Finlandization” of Cuba.

December 8, 1986

Communist Party of the Soviet Union Central Committee Resolution, on the Expiration of the Soviet Moratorium on Nuclear Testing

Draft resolution with instructions for announcing the expiration of the unilateral Soviet moratorium on nuclear testing on 1 January 1987.

December 8, 1986

Proposal on the Expiration of the Unilaterial Soviet Moratorium on Nuclear Testing

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

Glenn Seaborg, Chairman, Atomic Energy Commission, to National Security Adviser McGeorge, Bundy, enclosing summary of 'Nth Country Evaluation'

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.

Pagination