Dreadnought-class submarine
E86181
The Dreadnought-class submarine is a new generation of British nuclear-powered ballistic missile submarines designed to replace the Royal Navy’s Vanguard class as the backbone of the UK’s sea-based nuclear deterrent.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Dreadnought-class submarine canonical | 7 |
| Dreadnought-class submarines | 2 |
| Dreadnought-class submarine program | 1 |
| Dreadnought-class submarine programme | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T684971 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dreadnought-class submarine Context triple: [BAE Systems, majorProduct, Dreadnought-class submarine]
-
A.
Victoria-class submarine
The Victoria-class submarine is a class of diesel-electric attack submarines originally built for the Royal Navy as the Upholder class and later modernized and operated by the Royal Canadian Navy for coastal defense, surveillance, and training.
-
B.
Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
-
C.
U-boats
U-boats were German military submarines, most famously used in both World Wars for commerce raiding and naval warfare in the Atlantic.
-
D.
Vanguard-class ballistic missile submarines
Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
-
E.
U-505 submarine
The U-505 submarine is a captured German World War II U-boat preserved as a historic naval artifact and war prize.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dreadnought-class submarine Target entity description: The Dreadnought-class submarine is a new generation of British nuclear-powered ballistic missile submarines designed to replace the Royal Navy’s Vanguard class as the backbone of the UK’s sea-based nuclear deterrent.
-
A.
Victoria-class submarine
The Victoria-class submarine is a class of diesel-electric attack submarines originally built for the Royal Navy as the Upholder class and later modernized and operated by the Royal Canadian Navy for coastal defense, surveillance, and training.
-
B.
Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
-
C.
U-boats
U-boats were German military submarines, most famously used in both World Wars for commerce raiding and naval warfare in the Atlantic.
-
D.
Vanguard-class ballistic missile submarines
Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
-
E.
U-505 submarine
The U-505 submarine is a captured German World War II U-boat preserved as a historic naval artifact and war prize.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Royal Navy submarine class
ⓘ
ballistic missile submarine ⓘ nuclear-powered submarine ⓘ |
| allianceContext | NATO ⓘ |
| armament |
Trident II D5 ballistic missile
ⓘ
linked to:
Trident II D5 missile
torpedoes ⓘ |
| builder |
BAE Systems Submarines
ⓘ
linked to:
BAE Systems Naval Ships
|
| commandSystem | advanced combat management system ⓘ |
| constructionSite | Barrow-in-Furness ⓘ |
| country | United Kingdom ⓘ |
| crewType | mixed-gender crew ⓘ |
| designAuthority |
BAE Systems Submarines
ⓘ
linked to:
BAE Systems Naval Ships
|
| designPartner |
Rolls-Royce
ⓘ
linked to:
Rolls-Royce Limited
UK Ministry of Defence ⓘ
linked to:
Ministry of Defence
|
| displacementClass | over 17000 tonnes submerged ⓘ |
| firstBoat | HMS Dreadnought ⓘ |
| fourthBoat | HMS King George VI ⓘ |
| fundingAuthority |
UK Ministry of Defence
ⓘ
linked to:
Ministry of Defence
|
| hullType | SSBN ⓘ |
| launchPlatformFor | submarine-launched ballistic missiles ⓘ |
| missileCompartmentPartner | United States Navy ⓘ |
| missileLaunchSystem | Common Missile Compartment ⓘ |
| navigationSystem | inertial navigation system ⓘ |
| nuclearDeterrentSystem |
UK Trident programme
ⓘ
linked to:
Nuclear weapons policy of the United Kingdom
|
| nuclearWarheadSystem | UK Trident warheads ⓘ |
| numberOfBoatsPlanned | 4 ⓘ |
| operator | Royal Navy ⓘ |
| predecessor | Vanguard-class submarine ⓘ |
| primaryMission | strategic nuclear deterrence ⓘ |
| programmeName | Dreadnought programme ⓘ |
| propulsion | nuclear reactor ⓘ |
| propulsionFeature | nuclear reactor designed not to require refuelling during service life ⓘ |
| reactorType | PWR3 nuclear reactor ⓘ |
| replaces | Vanguard-class submarine ⓘ |
| role | sea-based nuclear deterrent ⓘ |
| safetyFeature | enhanced nuclear safety systems ⓘ |
| secondaryMission |
intelligence gathering
ⓘ
special forces support ⓘ |
| secondBoat | HMS Valiant ⓘ |
| sensorSuite |
electronic support measures
ⓘ
sonar systems ⓘ |
| serviceBranch | Royal Navy Submarine Service ⓘ |
| stealthFeature | acoustic quieting measures ⓘ |
| strategicContext | Continuous At-Sea Deterrent ⓘ |
| strategicImportance | backbone of the UK’s sea-based nuclear deterrent ⓘ |
| successorTo | Continuous At-Sea Deterrent submarines of the Vanguard class ⓘ |
| thirdBoat | HMS Warspite ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Dreadnought-class submarine Description of subject: The Dreadnought-class submarine is a new generation of British nuclear-powered ballistic missile submarines designed to replace the Royal Navy’s Vanguard class as the backbone of the UK’s sea-based nuclear deterrent.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dreadnought-class submarine
Nuclear weapons policy of the United Kingdom
→
modernisationProgramme
→
Dreadnought-class submarine programme
ⓘ
linked to: Dreadnought-class submarine
linked to: Dreadnought-class submarine
linked to: Dreadnought-class submarine