The nuclear-power fast-attack sub is the latest in a long line of ships named for the state, but the first submarine to bear the name.

The U.S. Navy commissioned the Virginia-class fast-attack submarine USS Massachusetts (SSN 798) in a traditional ceremony held March 28 at Boston Harbor.

Dutch company U-Boat Worx announced the completition of sea trials for the first Super Sub, the fastest private submersible ...

Siedsma did not say where the sub — which cost over $2.8 billion, weighs about 8,000 tons and can carry 24 Tomahawk cruise missiles — is headed. A U.S. submarine sank an Iranian warship off the coast ...