China has the world's largest with more than 370 ships and submarines, and the U.S. continues to monitor Chinese naval activities in the Western Pacific Ocean and deploys cruise-missile submarines ...

The US embassy in Oslo later confirmed that the USS Virginia, a nuclear-powered attack submarine, got tangled up in the nets after making a scheduled stop at a harbour near Tromsø.

Over eight decades ago, the US Navy made the historic capture of a Nazi U-boat during World War II. A treasure trove of vital German intelligence, the submarine's capture was top-secret. See inside ...

The submarine is the largest and most capable submarine build by the U.S., according to a statement. It is scheduled for delivery in 2032. “Today’s decision by the US Navy to honor Groton ...

The US Navy submarine is open to the public for tours ... In the officers' pantry, food from the galley was reheated and plated on fancier dinnerware for higher-ranking crew members.