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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