It includes innumerable tense submarine situations, exploding submarines and various loud incidents of violence.

The Navy's forces were expanded to include seaplanes, submarines and blimps.

A carrier strike group also, on occasion, includes submarines, attached logistics ships and a supply ship.

Optional rules include piloting helicopters, ultralights, balloons, boats, submarines and tanks.

Typical uses include submarines and oil wells.

Green forces included submarines and land-based aircraft.

The plans include 15 new warships and submarines by 2020.

Subjects include submarines, shipbuilding strategies, battle tactics, and life on board ships of the Baltic Sea.

This includes frigates, submarines, patrol boats and auxiliary ships.

This includes homemade airplanes, helicopters, submarines, and robots.