Nuclear-powered submarines use some of the most advanced military technology in the world. These are the ones that are a cut ...

KITTERY, Maine — Portsmouth Naval Shipyard leaders announced the finishing touches are complete on a $158 million super flood basin, allowing submarines to dock without buoyancy assistance, comparable ...

Japan's Defense Ministry said the country faces "the most severe and complex security environment" since World War II.

PEARL HARBOR, Hawaii (AP) – The most recent commander of U.S. submarines in Asia and the Middle East took command on Wednesday of the entire Pacific Fleet submarine force. Rear Adm. Phillip Sawyer ...

China's been steadily upgrading its submarine fleet and weapons to detect those of the US should the two nations go to war.

US Navy submarines are key to countering China's naval expansion in the Indo-Pacific. China's military expansion includes a large navy, posing a threat to US naval dominance. US submarines, despite ...

Sweden's armed forces said Wednesday they were following a Russian submarine that entered the Baltic Sea a day earlier, amid mounting tensions in the region. "A Russian submarine entered the Baltic ...

There was relief in naval circles on three continents recently when President Donald Trump insisted the U.S. is moving “full steam ahead” on the AUKUS security agreement that sends state-of-the-art ...