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

Australia and the US’s deeping defence ties will help the superpower build up its submarine industrial base and create ...

Trump said the country would build its nuclear-powered submarine in the Philly Shipyard, which was bought last year by South ...

The U.S. Navy regularly conducts training exercises to simulate and prepare for combat. In 2015, a tiny sub "sank" one of its ...