USS Seawolf (SSN-21)
| History | |
|---|---|
| United States | |
| Namesake | Seawolf | 
| Awarded | 9 January 1989 | 
| Builder | General Dynamics Electric Boat | 
| Laid down | 25 October 1989 | 
| Launched | 24 June 1995 | 
| Commissioned | 19 July 1997 | 
| Homeport | Naval Base Kitsap-Bangor | 
| Motto | Cave Lupum (English: "Beware the Wolf") | 
| Status | in active service | 
| Badge | |
| General characteristics | |
| Class & type | Seawolf-class submarine | 
| Length | 353 ft (108 m) | 
| Beam | 40 ft (12 m) | 
| Draft | 36 ft (11 m) | 
| Propulsion | |
| Speed | 25+ knots submerged, 18+ knots surfaced | 
| Test depth | Greater than 800 ft (240 m) | 
| Complement | 15 officers and 101 enlisted | 
| Armament | 8 × 26.5-inch torpedo tubes, sleeved for 21-inch weapons (up to 50 Tomahawk land attack missile/Harpoon anti-ship missile/Mk 48 guided torpedo carried in torpedo room) | 
USS Seawolf (SSN-21) is a nuclear-powered fast attack submarine and the lead ship of her class. She is the fourth submarine of the United States Navy named for the seawolf.