1024px-US_Navy_040730-N-1234E-002_PCU_Virginia_(SSN_774)_returns_to_the_General_Dynamics_Electric_Boat_shipyard

1024px-US_Navy_040730-N-1234E-002_PCU_Virginia_(SSN_774)_returns_to_the_General_Dynamics_Electric_Boat_shipyard

Virginia (SSN-774) nuclear-powered attack submarine and the lead ship of its class (Photo courtesy of General Dynamics Electric Boat Public Affairs)