ECHELON UKUSA Signals Intelligence Agreement Partners

Partner

Agency

Target

Treaty

USA

NSA - CIA, USAF, NSG

Latin America, most of Asia, Russia and Northern China

BRUSA agreement 1943

UK

GCHQ

Soviet Union west of Urals, Africa

BRUSA agreement 1943

AUSTRALIA

DSD

Neighbour countries , southern China, nations of Indochina

UKUSA Alliance since 1948

CANADA

CSE

Polar regions of Russia

UKUSA Alliance since 1948,

CANUS agreement 1950

NEW ZEALAND

GCSB

Western Pacific

UKUSA Alliance since 1948



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