Its purpose was to search for and destroy Soviet submarines in the North Atlantic.

The most effective means of finding and destroying submarines is another submarine.

The reason we are here is to destroy submarines.

A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines.

Their mission was to hunt down and destroy any American ships and submarines.

A naval mine is a bomb placed in water to destroy ships or submarines.

Cruisers are designed to destroy other surface vessels, submarines, and aircraft.

It's fighting capacity is not particularly strong but it can often destroy helicopters, transports, destroyers, and submarines.

American ministers boasted of having destroyed German submarines in this criminal way.

The Sting Ray is a small lightweight torpedo designed to destroy submarines.