Attack submarines are one of the major weapons the U.S. relies on to counter China’s military threat in the Pacific.

Sailors aboard the submarine USS Indiana, which shares a name with the new football champions, snapped a celebratory picture.

The HMS Anson is the fifth Astute-class fast attack submarine in Royal Navy service—and the eighth vessel to bear the name of ...

China has overtaken Russia to become the world’s second-largest operator of nuclear-powered submarines. Updated ...

The U.S. Navy accepted delivery of the Submarine Force’s newest fast attack submarine, the future USS Idaho, from General Dynamics Electric Boat on Monday in Groton, Conn., marking the second delivery ...

WASHINGTON ( Idaho Capital Sun) — The engine room of one of the U.S. Navy’s newest fast attack submarines, the USS Idaho, will be named for former Idaho Governor and U.S. Secretary of the Interior, ...

KITTERY, Maine — The USS Washington, commissioned by the Navy nearly seven years ago, has docked at Portsmouth Naval Shipyard for scheduled maintenance and system upgrades, according to the nation’s ...

Groton — Family members gathered along the rocks of Eastern Point Beach early Wednesday morning to watch as the Virginia-class nuclear-powered fast-attack submarine Idaho (SSN-799) left Electric Boat ...

Tensions are rising in the Strait of Hormuz, one of the world’s busiest sea routes. U.S. carrier strike groups now operate in ...

The Royal Navy has nine nuclear-powered submarines. Four of them are the Vanguard class, tasked with providing the nation’s ...