HMS Dreadnought (Dreadnought-class submarine)

HMS Dreadnought is a Royal Navy nuclear-powered Trident ballistic missile-armed submarine that is currently under construction.[1] The lead boat of her class, she is being built in Barrow-in-Furness. On completion she will become the UK's largest ever submarine.[2]

For other ships with the same name, see HMS Dreadnought.
History
United Kingdom
NameHMS Dreadnought
BuilderBAE Systems, Barrow-in-Furness, England
Laid down6 October 2016
General characteristics
Class and typeDreadnought-class submarine
Displacement17,200 t (16,900 long tons; 19,000 short tons)
Length153.6 metres (504 ft)
Beam12.8 m (42 ft 0 in)
Draught12 m (39 ft 4 in)
PropulsionRolls-Royce PWR3 nuclear reactor, turbo-electric drive, pump-jet
Speed20 knots (37 km/h; 23 mph) surfaced; 28 knots (52 km/h; 32 mph) submerged
Complement130
Armament

Construction

The submarine was approved for order by the UK Parliament in July 2016.[3] Construction of Dreadnought began on 6 October 2016.[2][3] In December 2021 it was announced that the submarine will feature Lockheed Martin navigation subsystems.[4] Other systems will include a new Thales Sonar 2076 system.[3] Much of the steel for the construction has been sourced from non-domestic sources.[5] In March 2021, it was announced that construction of the submarine had been delayed due to the impact of the COVID-19 pandemic.[6] In May 2022, it was announced that construction had entered 'phase three' and that on completion, the submarine would leave the shipyard in Barrow-in-Furness to begin sea trials.[7]

On 14 December 2022, the pressure hull of the submarine was completed.[8] On 29 December 2022, the 12 ballistic missile tubes of Dreadnought, along with 36 tubes for the others in her class arrived in the UK from the US.[9][10]

References
  1. "Dreadnought Submarine". The Telegraph. Retrieved 3 February 2023.
  2. Royal Navy (6 October 2016). "Building begins on new nuclear submarines". Royal Navy. Retrieved 3 February 2023.
  3. "Dreadnought-Class Nuclear-Powered Ballistic Missile Submarines". Naval Tech. Retrieved 3 February 2023.
  4. "UK's Dreadnought-class submarines will feature Lockheed's navigation subsystems". Naval Today. Retrieved 3 February 2023.
  5. "Lack of British steel in Dreadnought nuclear subs underlines procurement failure". The Guardian. Retrieved 3 February 2023.
  6. "Trident nuclear submarine replacement delayed by another year". The Guardian. Retrieved 3 February 2023.
  7. "Barrow: Contracts of £2bn to build nuclear submarines". BBC News. Retrieved 3 February 2023.
  8. "New British nuclear missile submarine reaches milestone". UK Defence Journal. Retrieved 3 February 2023.
  9. "48 missile tubes for Dreadnought class submarines leave US for UK". Navy Recognition. Retrieved 3 February 2023.
  10. "Construction of UK's Dreadnought-class submarine reaches significant milestone". Naval Today. Retrieved 3 February 2023.
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