Mk 46 anti-submarine torpedo

The Mk 46 is a 12.75-in (324-mm) lightweight torpedo to be used against submarines by helicopters, aircraft and surface ships; it is also fitted in the CAPTOR deep-water mine. It is NATO standard torpedo weapon system.

The Mk 46 was developed in the late 1950s as a successor to the Mk 44. The design goal of the Mk 46 was to produce a lightweight torpedo to counter nuclear-propelled submarines. The needed speed and range led to the substitution of a solid-fuel motor in place of the...