Anechoic coating: A type of sonar-absorbing material applied to submarines to reduce their acoustic signature. It consists of rubber or other materials with properties that minimize sound reflection.

Anti-ship missiles are guided missiles designed to engage and destroy naval vessels. They are typically used by aircraft, ships, or submarines to attack enemy ships.

Cruise missiles are self-propelled, guided weapons launched from platforms like attack submarines (SSNs) to deliver warheads over long distances with precision.

Electronic Support Measures/ELectronic INTelligence suite: a sensor system on submarines that detects, identifies, and locates radar and communication emissions for passive threat assessment and tactical advantage.

Laying explosive mines underwater from a submarine.

Relating to or using nuclear energy, typically fission, for propulsion or power generation in military vessels.

A system of hydrophones towed behind a vessel to detect submarines and torpedoes, minimizing interference from the ship's self-noise.