Trident successor programme
E803854
The Trident successor programme is the United Kingdom’s initiative to replace its current fleet of nuclear-armed Vanguard-class submarines with new ballistic missile submarines to maintain the country’s continuous at-sea deterrent.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Trident successor programme canonical | 1 |
| UK Trident programme | 1 |
| UK Trident programme on Vanguard-class | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9521319 — 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: Trident successor programme Context triple: [UK Strategic Defence and Security Review 2015, includesPolicyOn, Trident successor programme]
-
A.
Trident 3B
The Trident 3B is a stretched, higher-capacity and more powerful development of the Hawker Siddeley Trident airliner, designed to improve range and performance over earlier variants.
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B.
Trident 2E
Trident 2E is a stretched, higher-capacity variant of the Hawker Siddeley Trident airliner designed to improve range and passenger load.
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C.
The Trident
The Trident is a major river system in the fictional continent of Westeros, famed as the site of several pivotal battles in George R. R. Martin’s A Song of Ice and Fire series.
-
D.
The Trident
The Trident is a local area or housing estate within the Palacefields district, likely forming one of its distinct residential neighbourhoods.
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E.
Trident 1C
Trident 1C is an early production variant of the British Hawker Siddeley Trident narrow-body jet airliner, used primarily for short- to medium-haul passenger services.
- 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: Trident successor programme Target entity description: The Trident successor programme is the United Kingdom’s initiative to replace its current fleet of nuclear-armed Vanguard-class submarines with new ballistic missile submarines to maintain the country’s continuous at-sea deterrent.
-
A.
Trident 3B
The Trident 3B is a stretched, higher-capacity and more powerful development of the Hawker Siddeley Trident airliner, designed to improve range and performance over earlier variants.
-
B.
Trident 2E
Trident 2E is a stretched, higher-capacity variant of the Hawker Siddeley Trident airliner designed to improve range and passenger load.
-
C.
The Trident
The Trident is a major river system in the fictional continent of Westeros, famed as the site of several pivotal battles in George R. R. Martin’s A Song of Ice and Fire series.
-
D.
The Trident
The Trident is a local area or housing estate within the Palacefields district, likely forming one of its distinct residential neighbourhoods.
-
E.
Trident 1C
Trident 1C is an early production variant of the British Hawker Siddeley Trident narrow-body jet airliner, used primarily for short- to medium-haul passenger services.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
defence procurement programme
ⓘ
nuclear weapons modernisation programme ⓘ |
| alsoKnownAs |
Dreadnought-class submarine programme
NERFINISHED
ⓘ
Successor programme ⓘ Successor submarine programme NERFINISHED ⓘ |
| armedForcesBranch | Royal Navy Submarine Service NERFINISHED ⓘ |
| constructionStart | 2016 ⓘ |
| controversy |
cost
ⓘ
nuclear disarmament concerns ⓘ |
| country | United Kingdom ⓘ |
| designFeature | Common Missile Compartment NERFINISHED ⓘ |
| deterrentPosture | continuous at-sea deterrent ⓘ |
| estimatedCostCategory | tens of billions of pounds ⓘ |
| firstOfClass | HMS Dreadnought NERFINISHED ⓘ |
| fleetSizePlanned | 4 submarines ⓘ |
| governedBy | UK defence white papers ⓘ |
| homePort | Faslane NERFINISHED ⓘ |
| industrialPrimeContractor | BAE Systems Submarines NERFINISHED ⓘ |
| initialConceptPhaseStart | mid-2000s ⓘ |
| internationalCooperation | United States NERFINISHED ⓘ |
| keyIndustrialPartner |
Babcock International
NERFINISHED
ⓘ
Rolls-Royce NERFINISHED ⓘ |
| mainGateApproval | July 2016 ⓘ |
| managingOrganisation | UK Ministry of Defence NERFINISHED ⓘ |
| missileType | submarine-launched ballistic missile ⓘ |
| nuclearArmament | yes ⓘ |
| nuclearPropulsion | yes ⓘ |
| operator | Royal Navy ⓘ |
| otherPlannedBoats |
HMS King George VI
NERFINISHED
ⓘ
HMS Valiant NERFINISHED ⓘ HMS Warspite NERFINISHED ⓘ |
| parliamentaryApprovalVote | March 2007 ⓘ |
| parliamentaryOversightBody | House of Commons Defence Committee NERFINISHED ⓘ |
| plannedEntryIntoService | early 2030s ⓘ |
| plannedServiceLife | into the 2060s ⓘ |
| policyFramework | UK nuclear deterrent policy ⓘ |
| politicalLevelDecisionMaker | Government of the United Kingdom NERFINISHED ⓘ |
| primaryBase | HMNB Clyde NERFINISHED ⓘ |
| purpose |
maintain continuous at-sea deterrent
ⓘ
replacement of Vanguard-class submarines ⓘ |
| reliantOn | Trident II D5 life-extension programme NERFINISHED ⓘ |
| replaces | Vanguard-class submarine NERFINISHED ⓘ |
| sharesTechnologyWith | US Columbia-class submarine programme NERFINISHED ⓘ |
| strategicDeterrentLocation | North Atlantic Ocean NERFINISHED ⓘ |
| strategicRole | strategic nuclear deterrence ⓘ |
| submarineClassName | Dreadnought-class submarine NERFINISHED ⓘ |
| successorTo | UK Trident programme NERFINISHED ⓘ |
| usesWeaponSystem | Trident II D5 submarine-launched ballistic missile NERFINISHED ⓘ |
| warheadType | nuclear warhead ⓘ |
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: Trident successor programme Description of subject: The Trident successor programme is the United Kingdom’s initiative to replace its current fleet of nuclear-armed Vanguard-class submarines with new ballistic missile submarines to maintain the country’s continuous at-sea deterrent.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Dreadnought-class nuclear-powered ballistic missile submarines
→
nuclearWeaponSystem
→
Trident successor programme
ⓘ
this entity surface form:
UK Trident programme
this entity surface form:
UK Trident programme on Vanguard-class