Here's latest on Portsmouth Naval Shipyard's $1.87 billion dry dock expansion and more development projects on the base in ...

Built by Newport News Shipbuilding and Dry Dock Company in Newport ... America’s previous premier attack submarine, the Sturgeon-class. The standard Los Angeles-class submarine is equipped ...

There are three operational classes of attack submarines in its the U.S. Navy's large submarine fleet: the Los Angeles, the Seawolf, and the Virginia classes, with the Virginia being the newest.