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To obtain some autonomy in SIGINT, while simultaneously strengthening its role in the UKUSA Agreement, Britain planned to launch its own SIGINT satellite, codenamed Zircon. Proposed in 1983 to be in a geosynchronous orbit over the Soviet Union, it was cancelled, principally on grounds of cost, in 1987.
A United States Air Force Boeing RC-135 aircraft in flight Royal Air Force Hawker Siddeley Nimrod A52 Oste, an Oste class ELINT and reconnaissance ship, of the German Navy. Signals intelligence operational platforms are employed by nations to collect signals intelligence, which is intelligence-gathering by interception of signals, whether between people (i.e., COMINT or communications ...
During the Cold War, the US intelligence agencies, such as the National Security Agency (NSA), were reportedly able to intercept Soviet microwave traffic using satellites such as Rhyolite/Aquacade. [1] Much of the beam of a microwave link passes the receiving antenna and radiates toward the horizon, into space.
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]
Russia had operated large SIGINT stations in Cuba and Vietnam until 2001, [11] but the chief of the General Staff, Anatoly Kvashnin, while the station in Lourdes, Cuba had been vital during the cold war "Now, the military-political situation has changed and there has been a qualitative leap in military equipment. With that money we can buy and ...
Declassified photos taken by Cold War-era spy satellites have revealed hundreds of previously unknown Roman-era forts, in what is now Iraq and Syria, a new study found.
ECHELON, originally a secret government code name, is a surveillance program (signals intelligence/SIGINT collection and analysis network) operated by the five signatory states to the UKUSA Security Agreement: [1] Australia, Canada, New Zealand, the United Kingdom and the United States, also known as the Five Eyes.
An early warning satellite is a satellite designed to rapidly identify ballistic missile launches and thus enable defensive military action. This type of satellite was developed during the Cold War and later became a component of missile defense systems. The United States, Russia and China have a constellation of early warning satellites.