The 377-foot vessel can dive to depths of more than 800 feet below the surface and maneuver at speeds of over 25 knots.

Air Force General Anthony Cotton suggested at a defense conference that the U.S. Navy may need more than the currently ...

The U.S. Navy’s Virginia-class attack submarines are considered the best in the world due to their advanced undersea ...

HII has delivered the initial two Lionfish small unmanned underwater vehicles (SUUVs) to the US Navy (USN), the company ...