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.

Submarine warfare played a pivotal role in the Battle of the Atlantic as German U-boats targeted merchant ships and troop carriers from the US and other Allied nations. The underwater predators ...

The Virginia-class fast-attack submarine USS Vermont (SSN 792) is operating in the US 4th Fleet area of operations and conducted a brief stop for logistics in Rio de Janeiro December 10-15.

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.

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.

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 ...