Montana is designed for anti-submarine warfare, anti-surface warfare, special operations force delivery, strike warfare, irregular warfare, intelligence, surveillance, reconnaissance, and mine warfare missions.
Montana is 377 feet long, has a 34-foot beam, and will be able to dive to depths greater than 800 feet and operate at submerged speeds exceeding 25 knots. It has 136 Navy personnel on board. Montana was built as part of a teaming agreement between Huntington Ingalls Industries (HII) Newport News Shipbuilding division and General Dynamics Electric Boat.

