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  2. US signals intelligence in the Cold War - Wikipedia

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

    After the end of World War II, all the Western allies began a rapid drawdown of military forces, including those of signals intelligence. At the time, the US still had a COMINT organization split between the Army and Navy. [1] A 1946 plan listed Russia, China, and a [redacted] country as high-priority targets.

  3. United States Army Security Agency - Wikipedia

    en.wikipedia.org/wiki/United_States_Army...

    The United States Army Security Agency (ASA) was the United States Army's signals intelligence branch from 1945 to 1977. [1] The Latin motto of the Army Security Agency was Semper Vigilis (Vigilant Always), which echoes the declaration, often mistakenly attributed to Thomas Jefferson, that "The price of liberty is eternal vigilance." [2] [3]

  4. List of intelligence gathering disciplines - Wikipedia

    en.wikipedia.org/wiki/List_of_intelligence...

    Prisoners of war (POWs) or detainees; Refugees; Routine patrolling (military police, patrols, etc.) Traveler debriefing [broken anchor] (e.g. CIA Domestic Contact Service) MI6 is often thought to use human intelligence to operate in different countries or Britain itself to protect the country from global affairs. However, this is usually ...

  5. Signals intelligence by alliances, nations and industries

    en.wikipedia.org/wiki/Signals_intelligence_by...

    After the end of the Cold War, Germany treated military-related SIGINT differently from other nations, making it a part of the defense-wide electronic warfare organization rather than an intelligence organization. The first unit was set up in Osnabruck in 1957.

  6. Signals intelligence - Wikipedia

    en.wikipedia.org/wiki/Signals_intelligence

    Signals intelligence (SIGINT) is the act and field of intelligence-gathering by interception of signals, whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication (electronic intelligence—abbreviated to ELINT). [1]

  7. Measurement and signature intelligence - Wikipedia

    en.wikipedia.org/wiki/Measurement_and_Signature...

    Measurement and signature intelligence (MASINT) is a technical branch of intelligence gathering, which serves to detect, track, identify or describe the distinctive characteristics (signatures) of fixed or dynamic target sources. This often includes radar intelligence, acoustic intelligence, nuclear intelligence, and chemical and biological ...

  8. Category:Signals intelligence - Wikipedia

    en.wikipedia.org/wiki/Category:Signals_intelligence

    Sentient (intelligence analysis system) SEXINT; USNS Sgt. Joseph E. Muller; Shaanxi Y-9JZ; Short-range agent communications; SIGINT Activity Designator; Signals intelligence by alliances, nations and industries; Signals intelligence in modern history; US signals intelligence in the Cold War; 2011 Slovenian YouTube incident; SOSUS; Special ...

  9. Signals intelligence in modern history - Wikipedia

    en.wikipedia.org/wiki/Signals_intelligence_in...

    Before the development of radar and other electronics techniques, signals intelligence (SIGINT) and communications intelligence (COMINT) were essentially synonymous. Sir Francis Walsingham ran a postal interception bureau with some cryptanalytic capability during the reign of Elizabeth I, but the technology was only slightly less advanced than men with shotguns, during World War I, who jammed ...