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.

Automated Damage Control is a shipboard system that detects, assesses, and mitigates combat damage on aircraft carriers using sensors and software to enhance response speed and reduce crew workload.

A technique to reduce a ship's magnetic signature by neutralizing its internal magnetic field, minimizing vulnerability to magnetic mines or detection.

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

A mechanical device that converts steam pressure into rotational energy, used to drive shipboard generators or propulsion systems.