This allowed the Navy to leverage existing submarine technology while at the same time expanding capability to meet the current and future needs of U.S. combatant commanders. The SSGN Program ...

Sweden's submarines are small and quiet, perfect for the Baltic Sea that many NATO allies share with Russia.

Groton-based submarine manufacturer General Dynamics ... of Defense to purchase “long lead time materials” for a future group of Virginia-class submarines. The acquisition of the materials ...