Voici la liste des stations Echelon (base d'interception des satellites de télécommunications commerciaux et personnelles)

RAF Menwith Hill (North Yorkshire, UK)
GCHQ Bude (Cornwall, UK)
Sugar Grove (West Virginia, US)
Naval Security Group Activity Sabana Seca (Puerto Rico, US) (*decommissioned)
Yakima Training Center (Washington, US)
GCSB Waihopai (Marlborough, NZ)
Pine Gap (Northern Territory, AU)
Australian Defence Satellite Communications Station (Western Australia, AU)
Chung Hom Kok (Hong Kong, HK)(*decommissioned)
Misawa Air Base (Aomori, JP)
Ayios Nikolaos Station (Cyprus, UK)
Bad Aibling Station (Bavaria, DE)
Griesheim Site (Hesse, DE)
Canadian Forces Station Leitrim (Ontario, CA)
NSA Headquarters, Fort Meade (Maryland, US)
Gordon Regional Security Operations Center (Georgia, US)
Medina Regional Security Operations Center (Texas, US)
Buckley Air Force Base (Colorado, US)
Kunia Regional Security Operations Center (Hawaii, US)
Naval Computer and Telecommunications Station Guam (Guam, US)
Shoal Bay Receiving Station (Northern Territory, AU)

Fascinant.