USS Massachusetts (SSN-798)
Massachusetts in October 2025 during her sea trials | |
| History | |
|---|---|
| United States | |
| Name | Massachusetts |
| Namesake | Commonwealth of Massachusetts |
| Ordered | 28 April 2014 |
| Builder | Newport News Shipbuilding, Newport News, Virginia |
| Laid down | 11 December 2020 |
| Launched | 23 February 2024 |
| Sponsored by | Sheryl Sandberg |
| Christened | 6 May 2023 |
| Commissioned | 28 March 2026 (scheduled) |
| Identification | Hull symbol: SSN-798 |
| Motto |
|
| Status | Delivered |
| General characteristics | |
| Class & type | Virginia-class 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 |
|
| Armament | 12 VLS tubes, four 21 inch (530 mm) torpedo tubes for Mk-48 torpedoes BGM-109 Tomahawk |
USS Massachusetts (SSN-798) is a Virginia-class nuclear powered attack submarine delivered to the United States Navy and due to be commissioned in late March 2026. She is the 25th submarine of the class, and is named for the U.S. state of Massachusetts—the eighth such vessel.