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Nuclear-powered ballistic missile submarine
Dreadnought-class submarine is a nuclear-powered ballistic missile submarine. It was built by BAE Systems , Barrow-in-Furness , England.
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Checked 29 Sept 2026English is the origin-language edition already used in step1; no different native edition applies.
English article identity and interlanguage links
Dreadnought-class submarine
www.wikidata.org ↗ · Field absent
Checked 29 Sept 2026No mapped field recovered. Stored full text retained for further extraction; this is not a claim that unstructured prose has been manually exhausted.
Mapped labelled specifications
future class of British nuclear-powered ballistic missile submarines Dreadnought class edit Language Label Description Also known as default for all languages No label defined – English Dreadnought-cl
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BAE Systems , Barrow-in-Furness , England
Royal Navy
Vanguard class
£ 31 billion (2016) (equivalent to £ 40.46 billion in 2024) lifetime cost of total programme (est.) £ 7.75 billion (2016) (equivalent to £ 10.12 billion in 2024) per unit (est.)
First expected by early 2030s
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Nuclear-powered ballistic missile submarine
17,200 t (16,900 long tons; 19,000 short tons)
153.6 metres (504 ft)
Rolls-Royce PWR3 nuclear reactor , turbo-electric drive, pump-jet
At least 20 knots
Limited only by food and mechanical components
130
4 × 21 inch (533 mm) torpedo tubes for: Spearfish heavyweight torpedoes 12 × ballistic missile tubes for: Lockheed Trident II D5 SLBMs
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country of origin United Kingdom 0 references
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 153.6 m | Wikipedia contributors | superseded |
Country inventory links have not yet been documented for this equipment.