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AN/SLQ-25 Nixie
American towed torpedo decoy system / From Wikipedia, the free encyclopedia
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, acousting-homing, and wire-guided torpedoes. The decoy emits signals to draw a torpedo away from its intended target.
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/93/TB-14A.png/320px-TB-14A.png)
The Nixie attempts to defeat a torpedo's passive sonar by emitting simulated ship noise—such as propeller and engine noise—or defeat a torpedo's active sonar by amplifying and returning its pings.[1] Typically, larger ships may have two Nixie systems mounted at the stern of the ship to allow operation singularly or in pairs while smaller ships may have only one system.