Ballistic Missile Submarine
USS Maine prepares to transit the Hood Canal as it sails back to its homeport of Naval Base Kitsap - Bangor in Bangor, Wash., June 17, 2015. Maine is one of eight ballistic missile submarines stationed at the base providing the survivable leg of the strategic deterrence triad for the United States. Navy photo by Petty Officer 1st Class Kenneth G. Takada