USS Seawolf (SSN-21)

USS Seawolf (SSN-21)
USS Seawolf conducting sea trials in 1996.
History
United States
NamesakeSeawolf
Awarded9 January 1989
BuilderGeneral Dynamics Electric Boat
Laid down25 October 1989
Launched24 June 1995
Commissioned19 July 1997
HomeportNaval Base Kitsap-Bangor[1]
MottoCave Lupum (English: "Beware the Wolf")
Statusin active service
Badge
General characteristics
Class and typeSeawolf-class submarine
Length353 ft (108 m)
Beam40 ft (12 m)
Draft36 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
Speed25+ knots submerged, 18+ knots surfaced
Test depthGreater than 800 ft (240 m)
Complement15 officers and 101 enlisted
Armament8 × 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]

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.

  1. ^ SSN21
  2. ^ 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.
  3. ^ 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.
  4. ^ "S6W Advanced Fleet Reactor". www.globalsecurity.org. Retrieved 23 January 2023.
  5. ^ 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.
  6. ^ "Attack Submarines - SSN". United States Navy Fact Files. United States Navy. Retrieved 13 November 2021.