USS Virginia (SSN-774)

USS Virginia (SSN-774)
Virginia (SSN 774) returns to the General Dynamics Electric Boat shipyard following the successful completion of its "alpha" sea trials in 2004.
History
United States
NameUSS Virginia
NamesakeCommonwealth of Virginia
Ordered30 September 1998[1]
BuilderGeneral Dynamics Electric Boat
Laid down2 September 1999[1]
Launched
  • 16 August 2003[1]
  • Program cost, US$29 billion[2]
  • Unit cost, US$6 billion (FY 2011)[2]
Acquired12 October 2004[3]
Commissioned23 October 2004[1]
HomeportGroton, Connecticut[4]
Identification
Motto
Statusin active service[1]
BadgeShip's crest
General characteristics
Class and typeVirginia-class submarine
Displacement7,800 tons
Length377 ft (115 m)[1]
Beam34 ft (10.4 m)[1]
Draft32 ft (9.8 m)[1]
Propulsion
  • 1 × S9G PWR nuclear reactor[5] 280,000 shp (210 MW), HEU 93%[6][7]
  • 2 × steam turbines 40,000 shp (30 MW)
  • 1 × single shaft pump-jet propulsor[5]
  • 1 × secondary propulsion motor[5]
Speed25 knots (46 km/h)
Test depthgreater than 800 ft (244 m)
Complement134 officers and enlisted personnel
Armament12 VLS tubes, four 21 inch (530 mm) torpedo tubes for Mk-48 torpedoes and BGM-109 Tomahawk

USS Virginia (SSN-774) is a nuclear powered cruise missile attack submarine and the lead ship of her class, currently serving in the United States Navy (USN). She is the tenth vessel of the Navy to be named for the Commonwealth of Virginia, as well as the second US Navy attack submarine to be named after a state, a pattern that is common throughout her class.

  1. ^ a b c d e f g h "USS Virginia". Naval Vessel Register. Retrieved 27 February 2019.
  2. ^ a b "Analysis of the Fiscal Year 2012 Pentagon Spending Request". CostofWar.com. 15 February 2011. Retrieved 23 February 2013.
  3. ^ "Virginia Class". General Dynamics Electric Boat. Retrieved 27 February 2019.
  4. ^ Bergman, Julia (22 February 2018). "USS Virginia, one of the first fast-attack submarines to be integrated, returns home". The Day. Retrieved 27 February 2019.
  5. ^ a b c Ragheb, Magdi (9 September 2011), Tsvetkov, Pavel (ed.), "Nuclear Naval Propulsion", Nuclear Power - Deployment, Operation and Sustainability, ISBN 978-953-307-474-0
  6. ^ "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. Retrieved 20 March 2022.
  7. ^ "US study of reactor and fuel types to enable naval reactors to shift from HEU fuel". fissilematerials.org. 10 April 2020. Retrieved 20 March 2022.