USS Seawolf (SSN-21)

USS *Seawolf* (SSN-21)
	USS Seawolf conducting sea trials in 1996.
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 and type	Seawolf-class submarine
Length	353 ft (108 m)
Beam	40 ft (12 m)
Draft	36 ft (11 m)
Propulsion	1 S6W PWR 220 MW (300,000 hp), HEU 93.5%; 1 secondary propulsion submerged motor; 2 steam turbines 57,000 shp (43 MW) ; 1 shaft; 1 pump-jet propeller;
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, a solitary fish with strong, prominent teeth that give it a savage look.

^ SSN21
^ Alan Kuperman; Frank von Hippel (10 April 2020). "US study of reactor and fuel types to enable naval reactors to shift from HEU fuel". IPFM Blog.
^ ^a ^b "Validation of the Use of Low Enriched Uranium as a Replacement for Highly Enriched Uranium in US Submarine Reactors" (PDF). dspace.mit.edu. June 2015. p. 32. Retrieved 20 November 2021.
^ "S6W Advanced Fleet Reactor". www.globalsecurity.org. Retrieved 23 January 2023.
^ Schank, John F.; Cesse, Cameron; Ip, Frank W.; Lacroix, Robert; Murphy, Mark V.; Arena, Kristy N.; Kamarck; Lee, Gordon T. (2011). "Learning from Experience: Volume II: Lessons from the U.S. Navy's Ohio, Seawolf, and Virginia Submarine Programs". rand.org.
^ "Attack Submarines - SSN". United States Navy Fact Files. United States Navy. Retrieved 13 November 2021.

History
USS Seawolf conducting sea trials in 1996.
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^[1]
Motto	Cave Lupum (English: "Beware the Wolf")
Status	in active service
Badge
General characteristics
Class and type	Seawolf-class submarine
Length	353 ft (108 m)
Beam	40 ft (12 m)
Draft	36 ft (11 m)
Propulsion	1 S6W PWR 220 MW (300,000 hp), HEU 93.5%^[2]^[3] 1 secondary propulsion submerged motor 2 steam turbines 57,000 shp (43 MW) ^[3]^[4] 1 shaft 1 pump-jet propeller
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^[5] (up to 50 Tomahawk land attack missile/Harpoon anti-ship missile/Mk 48 guided torpedo carried in torpedo room)^[6]