As the world’s navies grow, they strengthen below the waves as well as above. Several nations are betting big on submarines.

Shipwreck hunters have located a long-lost World War II submarine which sank off the coast of Greece 81 years ago, Live ...

The Iowa-class battleships were designed for major naval engagements during World War II but were primarily used for shore ...

The British Royal Navy, once the world's most formidable maritime force, has significantly diminished since World War II.

Italian submarine Scirè was an Adua-class submarine, built in the 1930s which served during World War II in the Regia Marina. It was named after a northern region of Ethiopia, at the time part of ...

A missing WW II British submarine was found 81 years later in the Aegean Sea in Greece ... Now, experts believe they might have figured out what happened to the submarine and where it has been resting ...

German aircraft are to fly sorties over Britain for the first time since World War Two as part of a new defence deal.

The QF 4-inch gun Mk IV was the main gun on most Royal Navy and British Empire destroyers in World War I. It was introduced in 1911 as a faster-loading light gun successor to the BL 4 inch Mk VIII gun ...