A torpedo guidance method using sound waves emitted by a target to determine its location and trajectory.

Capability of launching an anti-tank guided missile from an airborne platform, such as a helicopter or aircraft.

A guided bomb is a munition that uses a guidance system to modify its flight path in real-time to ensure accuracy.

A watercraft capable of independent operation underwater, primarily used for naval warfare, research, or exploration.

Designation for intercontinental ballistic missiles (ICBMs) deployed and launched from submerged submarines.