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Intelligence Operations in the Cold War

This is a collection of primary source documents that discuss intelligence issues during the Cold War. The documents come from archives in many different Soviet bloc countries. They are mainly decision memorandums, descriptions, agreements, and reports. The collection includes mainly bilateral agreements for cooperation between Communist countries and domestic intelligence reports from Bulgaria. See also the Mitrokhin Archive and the Vassiliev Notebooks. (Image, KGB symbol)

Popular Documents

December 16, 1982

East German Ministry of State Security, 'US and NATO Military Planning on Mission of V Corps/US Army During Crises and in Wartime,' (excerpt)

The Stasi's own preface to the V Corps/U.S. Army 1981 war plan (which recognizes that NATO's concept was defensive in nature in contrast to Warsaw Pact plans, which until 1987 indeed envisioned the mentioned "breakthrough towards the Rhine")

November 26, 1984

Committee for State Security (KGB), 'Indicators to Recognize Adversarial Preparations for a Surprise Nuclear Missile Attack'

A catalog of indicators of NATO preparation for nuclear war that were monitored by Warsaw Pact intelligence services under Project RYaN. The activity is divided into the following areas: political and military, activities of intelligence services, civil defense, and economic.

July 30, 1955

Shortened Transcript of the Meeting held by the 2nd Chief Directorate of the KGB attached to the Council of Ministers of the USSR on July 30, 1955

This document is a 61-page transcript of the meeting of the SCD leadership held in Moscow on Saturday, July 30, 1955. The ostensible purpose of the meeting was to discuss the progress report of the regional counterintelligence branch in the Latvian Soviet Socialist Republic (the Second Department of the KGB of the Latvian SSR). However, the meeting went beyond the Latvian case and focused on the discussion of the overall deficiencies of Soviet counterintelligence at that time and the ways to deal with them.

July 11, 1981

Stasi Note on Meeting Between Minister Mielke and KGB Chairman Andropov

KGB Chairman Andropov and East German Minister for State Security Mielke meet to discuss ongoing Stasi/KGB cooperation and international affairs. Topics of conversation include the Ronald Reagan administration, the Polish Solidarity Crisis,

August 24, 1984

Deputy Minister Markus Wolf, Stasi Note on Meeting with KGB Experts on the RYAN Problem, 14 to 18 August 1984

Memorandum summarizing consultations between the Stasi and KGB over RYAN (Raketno-Yadernoe Napadenie, or “nuclear weapon attack”), an intelligence program initiated by the KGB to collect indicators of a potential nuclear first-strike by the US. The KGB had developed a new system for the early detection of war preparations for a first-strike attack, which should provide evidence of such preparations on the basis of “objective” indicators that would be hard to manipulate.