Graphics show how $5.1 billion navy submarine would expand US power on the ocean floor A submarine currently in development could bolster the Navy's stake in seabed warfare.

The USS New Jersey has been heralded as the Navy’s first fully gender-integrated submarine following a series of changes made to the vessel.

Rear Adm. Chris Cavanaugh, commander of Submarine Group 7, poses with the first Australian officer to earn the U.S. Navy Submarine Warfare Device, also known as "dolphins," at Yokosuka Naval Base ...

HOLLIDAYSBURG — Navy veteran Cliff Delahanty learned every job on a submarine during his service more than 50 years ago, earning “his dolphins” and making him qualified in submarines. Once ...