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

Anti-submarine warfare (ASW) rocket or missile: a weapon system used to detect and engage underwater targets, typically deployed from aircraft.

Combined diesel-electric and gas propulsion system used in naval vessels, integrating diesel engines for low-speed operation and gas turbines for high-speed sprints.

Military action involving the use of electromagnetic spectrum to disrupt, deceive, or destroy enemy electronic systems.

The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.

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.