The T-Mk 6 Fanfare is a towed

sonar Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigation, navigate, measure distances (ranging), communicate with or detect o ...

decoy developed after the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

by the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

. It replaced the

Foxer Foxer was the code name for a British built acoustic decoy used to confuse German acoustic homing torpedoes like the G7 torpedo during the Second World War. A US version codenamed FXR was deployed at the end of September 1943 on all transatlanti ...

noisemaker. It was more effective than the Foxer, producing a sound similar to a ship's propeller, rather than wideband noise. File:USS Cassin Young-IMG 5402.jpg, Winches and decoys on board USS ''Cassin Young'' File:USS Cassin Young-IMG 5403.jpg, A towed decoy on board USS ''Cassin Young''

External links

* https://web.archive.org/web/20060222070937/http://www.de220.com/Armament/Decoys/Decoys.htm * https://web.archive.org/web/20060213013431/http://www.de220.com/Mysteries/Mysteries.htm Sonar decoys Weapons countermeasures {{weapon-stub