Rules for giving certain types of names to certain types of Navy ships have evolved over time. Attack submarines, for example, were once named for fish, then later for cities, and most recently (in ...

The U.S. Navy uses a system of letters and numbers to identify all of the ships in its fleet, including the number "72." Here ...

If you saw a massive ship docked at your local harbor, you might not be able to immediately discern exactly what type of ship it is at a glance. Specifically, is it an ocean liner or a cruise ship?

Aircraft carriers and cruise ships are among the biggest ships the world has ever seen. Both these ship types are awesome sights, but -- obviously -- both serve distinctly different purposes. Cruise ...