The U.S. Navy has added a powerful new nuclear attack submarine to its fleet, reviving the name of a storied World War II ...

Its common for the U.S. Navy to reuse ship names, and the newest nuclear submarine in the fleet was named after an important ...

The Columbia-class submarine outstrips its predecessor, the Ohio class, in many ways—but falls short in one conspicuous one.

Submarines are a vital part of the United States Navy, but there is one in particular that stayed at sea for 727 days. Here's ...

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...