SSN-798 USS Massachusetts

Namesake. Commonwealth of Massachusetts
Ordered. 28 Apr 2014
Builder. Newport News Shipbuilding, Newport News, Virginia
Laid down. 11 Dec 2020
Christened. 6 May 2023
Motto. Pro Patria "For Country"
Status. Under construction
Class and type. Virginia-class fast-attack submarine
Displacement. 7,800 tons
Length. 377 ft (115 m)
Beam. 34 ft (10.4 m)
Draft. 32 ft (9.8 m)
Propulsion. S9G reactor auxiliary diesel engine
Speed. 25 knots (46 km/h)
Endurance. can remain submerged for up to 3 months
Test depth. greater than 800 ft (244 m)
Complement. 15 officers; 120 enlisted
Armament. 12 VLS tubes, four 21 inch (530 mm) torpedo tubes for Mk-48 torpedoes
BGM-109 Tomahawk