During both world wars, the German Navy tried its utmost to bring the UK to heel through unrestricted submarine warfare.

Lt. Angelo Belloni seized control of submarine F-43 at the Muggiano shipyards near La Spezia, Italy. The coastal submarine, originally built for the Russian Navy and designated to become the Svyatoi ...

"The armed forces' jet fighters and warships met up with the submarine .... and are now following it," Sweden's armed forces ...

NATO ally Norway is buying advanced warships from the UK in its biggest defense deal ever. NATO officials say the move will sharply strengthen its ability to hunt enemy submarines in the North ...

The submarine's crew were carrying out a "routine inter-fleet transfer" in the Mediterranean Sea, the Russian navy said in a ...

The deployment comes amid a growing build-up of American military assets in the Caribbean, including warships, a nuclear submarine, and F-35 fighter jets ...

Norway just struck a major $13.5 billion deal with the UK to acquire new Type 26 frigates. The frigates specialize in anti-submarine warfare, a key operation in the North Atlantic. A NATO official ...