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 officials said during a Thursday earnings call.

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

The U.S. Navy’s Virginia-class is the world’s best attack submarine. It blends the lethality of the Seawolf with revolutionary adaptability. -Its five key advantages are: versatility in both deep oceans and coastal waters;

Australia will host the rotational presence of up to one U.K. and four U.S. nuclear-powered submarines as early as 2027.

The first-ever deployment of a quantum optical atomic clock on an underwater autonomous submarine has been successfully completed. Infleqtion’s Tiqker optical atomic clock was integrated into the Royal Navy’s Excalibur (XCal) testbed submarine.

China's been steadily upgrading its submarine fleet and weapons to detect those of the US should the two nations go to war.

Bill Biggs, in his role as Senior Consultant for Defence Equipment & Support (DE&S), will moderate this panel around the need to exploit novel ASW solutions as enemy submarines proliferate and grow quieter, and international waters become more contested.