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A sonar decoy is a device for decoying sonar. ... MG-44 Korund-1 (Soviet) - swimming, active and passive; installed on Delta-class submarine (400 mm) [2]
The T-Mk 6 Fanfare is a towed sonar decoy developed after the Second World War by the United States Navy. It replaced the Foxer noisemaker. It was more effective than the Foxer, producing a sound similar to a ship's propeller, rather than wideband noise.
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SLQ-25 Nixie aboard USS Iowa TB-14A towed decoy, from the AN/SLQ-25A/C "Nixie" system. The AN/SLQ-25 Nixie and its variants are towed torpedo decoys used on US and allied warships. It consists of a towed decoy device (TB-14A) and a shipboard signal generator. The Nixie is capable of defeating wake-homing, acoustic-homing, and wire-guided ...
Torpedo defence includes evasive maneuvers, passive defense like torpedo belts, torpedo nets, torpedo bulges, and sonar torpedo sensors, "soft-kill" active countermeasures like sonar decoys and sonar jammers, and "hard-kill" active defenses, like anti-torpedo torpedoes similar in idea to missile defense systems. [1]
Bold (also called Bolde, a term derived from kobold) was a German sonar decoy, used by U-boats during the Second World War from 1942 onwards. It consisted of a metal canister about 10 cm (3.9 in) in diameter filled with calcium hydride .
The mobile submarine simulator (MOSS) MK70 is a sonar decoy used by submarines of the United States Navy.It was a 10-inch vehicle, without an explosive warhead, but able to generate both an active sonar echo and a passive sound signature recorded to be extremely similar to that of the launching submarine.
Most helmets are a Vietnamese-made version of the PASGT Helmet. Earlier models were imported from Israel. [40] [41] Type A2 Helmet: Combat helmet Vietnam: The PAVN's standard issue bump shell is a hard plastic replica of the PASGT helmets. It is used for training exercises and combat drill. Vietnamese Pith Helmet: Helmet Vietnam