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ECHELON (Also known as Echelont), 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.[2][3][4]
Created in the late 1960s to monitor the military and diplomatic communications of the Soviet Union and its Eastern Bloc allies during the Cold War, the ECHELON project became formally established in 1971.[5][6] By the end of the 20th century, it had greatly expanded.[7]
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: CS1 maint: bot: original URL status unknown (link) (National Security Agency) Archived 16 July 2013 at the Wayback Machine"It wasn't until 1971 that the UKUSA allies began ECHELON