Torpedo defence includes evasive maneuvers, passive defense like
torpedo belts,
torpedo net
Torpedo nets were a passive ship defensive device against torpedoes. They were in common use from the 1890s until the Second World War. They were superseded by the anti-torpedo bulge and torpedo belts.
Origins
With the introduction of the Whitehe ...
s,
torpedo bulges and active defenses, like anti-torpedo torpedoes similar in idea to
missile defense systems. Surface Ship Torpedo Defense and Countermeasure Anti-Torpedo systems are highly experimental and the US Navy ended trials on them in 2018.
References
Torpedoes
Naval warfare tactics
{{Mil-stub