ECHELON Main Stations Location Country Target/Task Relations MORWENSTOW UK INTELSAT, Atlantic, Europe, Indian Ocean NSA, GCHQ SUGAR GROVE USA INTELSAT, Atlantic, North and South America NSA YAKIMA FIRING CENTER USA INTELSAT, Pacific NSA WAIHOPAI NEW ZEALAND INTELSAT, Pacific NSA, GCSB GERALDTON AUSTRALIA INTELSAT, Pacific NSA, DSD MENWITH HILL UK Sat, Groundstation, Microwave(land based) NSA, GCHQ SHOAL BAY AUSTRALIA Indonesian Sat NSA, DSD LEITRIM CANADA Latin American Sat NSA, CSE BAD AIBLING GERMANY Sat, Groundstation NSA MISAWA JAPAN Sat NSA PINE GAP AUSTRALIA Groundstation CIA FORT MEADE USA Dictionary Processing NSA Headquarters WASHINGTON USA Dictionary Processing NSA OTTAWA CANADA Dictionary Processing CSE CHELTENHAM UK Dictionary Processing GCHQ CANBERRA AUSTRALIA Dictionary Processing DSD WELLINGTON NEW ZEALAND Dictionary Processing GCSB Headquarters

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Menwith Hill Station Menwith Hill Station is one of the biggest groundstations in the UKUSA alliance.It is run by the US National Security Agency (NSA), which monitors the world's communication for US intelligence. Menwith Hill employs 1,200 US civilians and servicemen to work around the clock. It went trough different stages of interception technology. First it was established to intercept radio signals, but now the main focus lays on intercepting and monitoring communication satellites with primary targets Europe, northern Africa and western Asia.

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