Columbia-class submarines will be the largest ever built for the US Navy, with a submerged displacement of 20,810 tons and an ...

The first was a World War II-era submarine chaser commissioned in the 1940s. The new USS Pierre will be home-ported in San ...

The Navy wants to build 12 Columbia-class submarines to replace the service’s aging Ohio-class fleet at an estimated cost of ...

From upgraded armament power and redesigned bows, the Block IV Virginia submarines are believed to be unmatched at sea. Idaho ...

The 25th Virginia-class fast-attack submarine, the future USS Massachusetts (SSN-798), was delivered Friday to the Navy, ...

According to the GAO, maintenance crews often face delays that stretch to months waiting for components, forcing them to ...

NEWPORT NEWS, Va. — HII’s Newport News Shipbuilding division has delivered the Virginia-class fast-attack submarine ...

How South Korea puts submarines to use, and in partnership with the U.S. and Japan, “is yet to be seen,” Adm. Daryl Caudle ...