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Electronic countermeasure
Videos
An electronic countermeasure is an electrical or electronic device designed to trick or deceive radar, sonar, or other detection systems, like infrared or lasers. It may be used offensively and defens
Inspecting an AN/ALQ-184 Electronic Attack Pod.
Inspecting an AN/ALQ-184 Electronic Attack Pod.
Simulated radar screen in US Navy training exercise showing simulated jamming (triangular white area lower right)
Simulated radar screen in US Navy training exercise showing simulated jamming (triangular white area lower right)
Drone counter measures (1st Squadron, 3rd Cavalry Regiment of the US Army drill with the Battelle DroneDefender, 30 October 2018, Iraq.)
Drone counter measures (1st Squadron, 3rd Cavalry Regiment of the US Army drill with the Battelle DroneDefender, 30 October 2018, Iraq.)
German Tornado ECR
German Tornado ECR
Chaff (countermeasure)
Videos
Chaff, originally called Window or Düppel, is a radar countermeasure involving the dispersal of thin strips of aluminium, metallized glass fiber, or plastic. Dispersed chaff produces a large radar cro
Electronic countermeasure
…also attempts by the Ottoman side to jam Allied wireless communications during the Gallipoli campaign. World War II ECM expanded to include dropping chaff (originally called Window), jamming and spoofing radar and navigation signals. German bomber aircraft navigated using radio signals transmitted from…
Modern US Navy RR-144 (top) and RR-129 (bottom) chaff countermeasures and containers. Note how the strips of the RR-129 chaff (bottom) are of differen
Modern US Navy RR-144 (top) and RR-129 (bottom) chaff countermeasures and containers. Note how the strips of the RR-129 chaff (bottom) are of different widths, while those of the RR-144 (top) are all the same width. The RR-144 is designed to prevent interference with civil ATC radar systems.
A factory worker producing chaff during World War II
A factory worker producing chaff during World War II
A Lancaster dropping chaff (the crescent-shaped white cloud on the left of the picture) over Essen during a thousand-bomber raid
A Lancaster dropping chaff (the crescent-shaped white cloud on the left of the picture) over Essen during a thousand-bomber raid
Two forms of RAF "Window" radar countermeasure: chopped aluminium wire and paper backed with aluminium foil
Two forms of RAF "Window" radar countermeasure: chopped aluminium wire and paper backed with aluminium foil