Anti-Submarine Warfare. Capability to detect, track, and engage submarines.

Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.

Sonar system installed on the hull of a ship, used for underwater detection and navigation by emitting and receiving sound waves.

Radar system using multiple small antennas whose signals are combined to create a steerable beam without physical movement, enabling rapid scanning and tracking of multiple targets.

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