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  2. US signals intelligence in the Cold War - Wikipedia

    en.wikipedia.org/wiki/US_signals_intelligence_in...

    The military services formed a "Joint Operating Plan" to cover 1946-1949, but this had its disadvantages. The situation became a good deal more complex with the passage of the National Security Act of 1947, which created a separate Air Force and Central Intelligence Agency, as well as unifying the military services under a Secretary of Defense.

  3. Cold War espionage - Wikipedia

    en.wikipedia.org/wiki/Cold_War_espionage

    Klaus Fuchs, exposed in 1950, is considered to have been the most valuable of the atomic spies during the Manhattan Project.. Cold War espionage describes the intelligence gathering activities during the Cold War (c. 1947–1991) between the Western allies (primarily the US and Western Europe) and the Eastern Bloc (primarily the Soviet Union and allied countries of the Warsaw Pact). [1]

  4. Venona project - Wikipedia

    en.wikipedia.org/wiki/Venona_project

    During World War II and the early years of the Cold War, the Venona project was a source of information on Soviet intelligence-gathering directed at the Western military powers. Although unknown to the public, and even to Presidents Franklin D. Roosevelt and Harry S. Truman , these programs were of importance concerning crucial events of the ...

  5. Numbers station - Wikipedia

    en.wikipedia.org/wiki/Numbers_station

    A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. [1] Most identified stations use speech synthesis to vocalize numbers, although digital modes such as phase-shift keying and frequency-shift keying , as well ...

  6. KGB - Wikipedia

    en.wikipedia.org/wiki/KGB

    Over eighteen years, Walker enabled Soviet Intelligence to decipher some one million US Navy messages, and track the US Navy. [13] In the late Cold War, the KGB was successful with intelligence coups in the cases of the mercenary walk-in recruits FBI counterspy Robert Hanssen (1979–2001) and CIA Soviet Division officer Aldrich Ames (1985 ...

  7. Task Force 157 - Wikipedia

    en.wikipedia.org/wiki/Task_Force_157

    This intelligence collection allowed the United States government to have a better understanding of Soviet intentions and relations in Europe and the Arab Nations. [3] During this time, Task Force 157 was able to collect intercepted communications, then translate and report them to the proper agencies.

  8. NSC 68 - Wikipedia

    en.wikipedia.org/wiki/NSC_68

    NSC 68 is a source of much historical debate as is the escalation of the Cold War. As Ken Young, a historian of the early Cold War period, has stated, "The report has been subject to continuous analysis and commentary. ... Even though NSC 68 appeared in the midpoint of the twentieth century, it retains singular meaning in the 21st."

  9. Russian espionage in the United States - Wikipedia

    en.wikipedia.org/wiki/Russian_espionage_in_the...

    Active measures have continued in the post-Soviet era in the Russian Federation and are in many ways based on Cold War schematics. [3] [13] Active measures, as first formulated in the Soviet KGB, were a form of political warfare, offensive programs such as disinformation, propaganda, deception, sabotage, destabilization and espionage.