Signals intelligence by alliances, nations and industries comprises signals intelligence gathering activities by national and non-national entities; these entities are commonly responsible for communi
RAF Menwith Hill, a large ECHELON site in the United Kingdom.
Signals intelligence operational platforms are employed by nations to collect signals intelligence, which is intelligence-gathering by interception of signals, whether between people or between machin
Signals intelligence by alliances, nations and industries
…to geospatial (GEOINT) and imagery intelligence (IMINT). The French intelligence agency DGSE has responsibility for national-level SIGINT, including a ship and the currently inactive aircraft. There are multiple land-based sites. A French Army publications mentions Emeraude as an apparently tactical SIGINT…
A United States Air Force Boeing RC-135 aircraft in flight
Royal Air Force Hawker Siddeley Nimrod
A52 Oste, an Oste class ELINT and reconnaissance ship, of the German Navy