Less capable American submarines would survive to fire overwhelming numbers of torpedoes at the Two class.

The Oceanographic Institute in Thule has one submarine capable of carrying forty people.

Mobile defenses could be had underwater, too, in the form of nuclear submarines capable of firing missiles.

It is also one of only two companies capable of producing U.S. nuclear submarines.

It was the first verified submarine capable of independent underwater operation and movement, and the first to use screws for propulsion.

Some foreign power had a submarine capable of going to the same depth and performing the same hydrobatics!

She is one of the most capable submarines in the world.

Nearly two dozen ships and submarines capable of firing Tomahawk cruise missiles accompany those carriers.

The B-class boats were deemed redundant once more capable submarines arrived in early 1915 and most returned to Malta.

She was the first submarine capable of firing the Trident II ballistic missile to be commissioned.