Vanguard class
E803851
The Vanguard class is a series of British nuclear-powered ballistic missile submarines that form the seaborne leg of the United Kingdom’s strategic nuclear deterrent.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Vanguard class canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T9521260 — 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: Vanguard class Context triple: [HMS Vanguard, class, Vanguard class]
-
A.
Ranger class
The Ranger class was a group of early U.S. Navy aircraft carriers that helped pioneer carrier design and operations before World War II.
-
B.
Bagley class
The Bagley class was a group of U.S. Navy destroyers built in the late 1930s that saw extensive service during World War II, particularly in the Pacific Theater.
-
C.
Crown Class
Crown Class is Royal Jordanian's premium business-class cabin product, offering enhanced comfort, service, and amenities on the airline’s flights.
-
D.
Valour-class frigates
Valour-class frigates are a class of modern multi-role warships operated by the South African Navy, designed for anti-air, anti-surface, and anti-submarine warfare.
-
E.
Renown class
The Renown class was a pair of British Royal Navy battlecruisers built during World War I, known for their high speed, heavy armament, and extensive modernizations between the wars.
- 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: Vanguard class Target entity description: The Vanguard class is a series of British nuclear-powered ballistic missile submarines that form the seaborne leg of the United Kingdom’s strategic nuclear deterrent.
-
A.
Ranger class
The Ranger class was a group of early U.S. Navy aircraft carriers that helped pioneer carrier design and operations before World War II.
-
B.
Bagley class
The Bagley class was a group of U.S. Navy destroyers built in the late 1930s that saw extensive service during World War II, particularly in the Pacific Theater.
-
C.
Crown Class
Crown Class is Royal Jordanian's premium business-class cabin product, offering enhanced comfort, service, and amenities on the airline’s flights.
-
D.
Valour-class frigates
Valour-class frigates are a class of modern multi-role warships operated by the South African Navy, designed for anti-air, anti-surface, and anti-submarine warfare.
-
E.
Renown class
The Renown class was a pair of British Royal Navy battlecruisers built during World War I, known for their high speed, heavy armament, and extensive modernizations between the wars.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | class of ballistic missile submarines ⓘ |
| armament |
Spearfish heavyweight torpedoes
ⓘ
Trident II D5 submarine-launched ballistic missiles ⓘ
linked to:
Trident II D5 missile
|
| base | Faslane ⓘ |
| beam | approximately 12.8 metres ⓘ |
| builder |
Barrow-in-Furness shipyard
ⓘ
Vickers Shipbuilding and Engineering Ltd ⓘ
linked to:
Vickers-Armstrongs
|
| constructionPeriod | late 1980s to late 1990s ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crewComplement |
approximately 135
ⓘ
approximately 160 including officers ⓘ |
| designedBy |
Ministry of Defence (United Kingdom)
ⓘ
linked to:
Ministry of Defence
Vickers Shipbuilding and Engineering Ltd ⓘ
linked to:
Vickers-Armstrongs
|
| designedFor |
Trident missile system
ⓘ
linked to:
Trident nuclear missile system
|
| displacementSubmerged | approximately 15900 tonnes ⓘ |
| displacementSurfaced | approximately 14900 tonnes ⓘ |
| draught | approximately 12 metres ⓘ |
| enteredServiceWith | Royal Navy ⓘ |
| firstUnitCommissioned | HMS Vanguard ⓘ |
| flag | White Ensign ⓘ |
| hasUnit |
HMS Vanguard
ⓘ
HMS Vengeance ⓘ HMS Victorious ⓘ HMS Vigilant ⓘ |
| homePort | HMNB Clyde ⓘ |
| hullConfiguration | single-hull submarine ⓘ |
| length | approximately 149.9 metres ⓘ |
| maximumSubmergedSpeed | over 25 knots ⓘ |
| missileTubes | 16 ⓘ |
| nuclearDeterrentPolicy | Continuous At-Sea Deterrent ⓘ |
| nuclearWeaponsPlatformFor | United Kingdom ⓘ |
| numberOfUnitsBuilt | 4 ⓘ |
| operator | Royal Navy ⓘ |
| plannedReplacement | Dreadnought-class submarine ⓘ |
| precededBy |
Resolution-class submarine
ⓘ
linked to:
Resolution-class ballistic missile submarine
|
| primaryMission | nuclear deterrence patrols ⓘ |
| propulsion |
nuclear reactor
ⓘ
single pump-jet propulsor ⓘ steam turbines ⓘ |
| reactorType | Pressurised water reactor ⓘ |
| role |
seaborne leg of the United Kingdom nuclear deterrent
ⓘ
strategic nuclear deterrent ⓘ |
| secondaryRole | conventional torpedo attack capability ⓘ |
| serviceEntry | 1993 ⓘ |
| serviceStatus | in service as of early 2020s ⓘ |
| strategicWeaponSystem |
Trident II D5
ⓘ
linked to:
Trident II D5 missile
|
| submarineType | nuclear-powered ballistic missile submarine ⓘ |
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: Vanguard class Description of subject: The Vanguard class is a series of British nuclear-powered ballistic missile submarines that form the seaborne leg of the United Kingdom’s strategic nuclear deterrent.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.