The U.S. Navy has a massive submarine fleet, and every vessel is nuclear-powered. It's been that way since the submarine force fully modernized with nuclear power with the decommissioning of its ...

Sailors from the new USS Arizona submarine visited the University of Arizona on Veterans Day to tour the battleship memorial ...

A US attack submarine crew was honored with a top award after running "demanding" secret intelligence-gathering missions. The USS Washington, a Virginia-class fast-attack submarine, received the ...