ECHELON, originally a secret government code name, is a surveillance program operated by the five signatory states to the UKUSA Security Agreement: Australia, Canada, New Zealand, the United Kingdom and the United States, also known as the Five Eyes.
A radome at RAF Menwith Hill, a site with satellite uplink capabilities believed to be used by ECHELON
RAF Menwith Hill, North Yorkshire, England
The New Zealand journalist Nicky Hager, who testified before the European Parliament and provided specific details about the ECHELON surveillance system
Equipment at the Yakima Research Station (YRS) in the early days of the ECHELON program
Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing or directing. This can include observation from a distance by means of electronic equipment, such as closed-circuit television (CCTV), or interception of electronically transmitted information like Internet traffic. It can also include simple technical methods, such as human intelligence gathering and postal interception.
Surveillance cameras
Surveillance Camera to support the Washington, DC Police
The headquarters of UK intelligence activities is Government Communications Headquarters, Cheltenham, England (2017)
A surveillance camera in Cairns, Queensland
