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

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.

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

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

Propulsion system using nuclear reactors to generate power.