HMS Anson (S123) explained

HMS Anson is the fifth nuclear-powered fleet submarine of the Royal Navy. She is the eighth vessel of the Royal Navy to bear the name, after Admiral George Anson.

History

On 25 March 2010, BAE Systems were given the authorisation by the British government to begin construction on boats 5 and 6 (Anson and Agamemnon), being given a £300 million contract for the "initial build" of boat 5 and "long lead procurement activities" for boat 6.[1] Later that year work was begun on the pressure hull and reactor compartments. On 15 September 2011 it was announced that boat 5 would be named Anson;[2] it was previously believed that boat 5 would be Agamemnon and boat 6 Anson. Her keel was ceremonially laid on 13 October 2011.[3] [4] On 19 November 2015, a possible new contract worth £1.3 billion was signed for HMS Anson.[5] She was officially named on 11 December 2020,[6] [7] was rolled out of the Devonshire Dock Hall on 19 April 2021,[8] and launched on 20 April 2021.[9] It completed its first practice dive in a dock on 14 February 2022.[10] She was commissioned on 31 August 2022 prior to starting sea trials.[11] [12] On 19 February 2023 she left Barrow for the first time for her sea trials.[13] These were declared as complete on 21 May 2024.[14]

Design

Propulsion

Ansons nuclear reactor will not need to be refuelled during the boat's 25-year service. Since the submarine can purify water and air, she will be able to circumnavigate the planet without resurfacing. The main limit is that the submarine will only be able to carry three months' supply of food for 98 officers and ratings.

Weapons

Anson will have provision for up to 38 weapons in six 21adj=onNaNadj=on torpedo tubes.[15] The submarine will be capable of using Tomahawk Block IV land-attack missiles with a range of 1000miles[16] and Spearfish heavyweight torpedoes.

External links

Notes and References

  1. Web site: £300M Order Boost For Shipyard. 25 March 2010. North West Evening Mail. https://web.archive.org/web/20120401140945/http://www.nwemail.co.uk/home/300m-order-boost-for-shipyard-1.688193 . 1 April 2012. dead.
  2. Web site: Navy's newest Astute Class submarine named. 15 September 2011. Ministry of Defence. 15 September 2011.
  3. Web site: Underwater Tests Mark Ambush Milestone. 5 October 2011. North West Evening Mail. https://web.archive.org/web/20140914163204/http://www.nwemail.co.uk/news/underwater-tests-mark-ambush-milestone-1.884679 . 14 September 2014. dead.
  4. Web site: Barrow keel-laying ceremony for Astute-class submarine. 13 October 2011. 5 September 2022. BBC News.
  5. Web site: £1.3Bn contract awarded for latest attack submarine - News stories - GOV.UK. 30 July 2016.
  6. News: HMS Anson: Fifth Astute-Class Submarine Officially Named . 11 December 2020 . . 11 December 2020.
  7. Web site: Fifth hunter-killer submarine named Anson. 11 December 2020. 5 September 2022. GOV.UK. en.
  8. Web site: Allison . George . New nuclear submarine HMS Anson rolled out . . 20 April 2021 . 19 April 2021.
  9. Web site: Fifth state-of-the-art Astute submarine is launched . . 20 Apr 2021. 20 April 2021 . en.
  10. Web site: Hunter-killer HMS Anson completes first practice dive in dock . 14 February 2022. 5 September 2022. . en.
  11. Web site: Boris Johnson visits BAE Systems in Barrow. Lucy. Edwards. 31 August 2022. 5 September 2022. Cumbria Crack. cumbriacrack.com.
  12. Web site: World's most advanced attack submarine joins British fleet. George. Allison. 31 August 2022. 5 September 2022. UK Defence Journal.
  13. Web site: BAE Systems delivers fifth and most advanced Astute submarine to the Royal Navy . BAE Systems International . en . 19 February 2023.
  14. News: Royal Navy’s newest hunter-killer submarine edges towards front-line operations . 21 May 2024 . . 21 May 2024.
  15. News: Alien submarine breaks technical barriers . BBC News . 7 May 2007 . 20 March 2016.
  16. Web site: United States Navy Fact File: Tomahawk Land Attack Missile. navy.mil. US Navy. 27 July 2016. 27 August 2017. https://web.archive.org/web/20170827150407/http://www.navy.mil/navydata/fact_display.asp?cid=2200&tid=1300&ct=2. dead.

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