America's dominance beneath the waves grows as its newest nuclear submarine completed its initial sea trials and prepares for active deployment.

The multi-year deal to buy 15 nuclear submarines for the U.S. Navy that has been delayed by negotiations over ballooning costs of labor and material could be wrapped up by the end of the year, HII ...

Putins' new Khabarovsk submarine was launched from the Sevmash shipyard and is capable of carrying devastating Poseidon ...

The U.S. Navy has begun work on a new generation of attack submarines with never-before-seen weapons, quieting technology, undersea attack drones, sonar and communications networking… to emerge at ...

The Liberal government will spend tens of billions of dollars — with some estimates of up to $100 billion — on a new fleet of ...

The San Diego-based USS Alexandria, one of the Los Angeles-class hunter-killer submarines the Navy built during the Cold War ...