The nuclear-powered USS Alexandria is a 360-foot fast-attack submarine equipped with Tomahawk missiles and MK48 torpedoes.

Here’s What You Need to Remember: The mechanical and hydraulic controls of the Seawolf submarines ... under the Arctic ice for... The recent undersea collision involving the U.S. Navy fast ...

Despite intensive efforts to locate it, the submarine was not found. Theories about its disappearance are as varied as they are unsettling: from a collision with unknown underwater structures to ...