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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.
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]
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 ...
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]
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 ...
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 ...
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.
The Lourdes SIGINT (Signals Intelligence) facility, located near Havana, Cuba, was the largest facility of its kind operated by Soviet and later Russian foreign intelligence services [2] outside of Russia. Located less than 150 km (93 mi) from Key West, the facility covered 73 km 2 (28 sq mi). Construction began in July 1962.