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 ...

The nuclear-powered supercarrier will head from the South China Sea to the Middle East in response to escalating tensions ...

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

The U.S. Navy has quietly moved one of its most advanced submarines into contested waters, signaling that Washington is ...