Lafayette-class submarine
E798777
The Lafayette-class submarine was a series of U.S. Navy nuclear-powered ballistic missile submarines built during the Cold War to enhance the United States' strategic nuclear deterrent at sea.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Benjamin Franklin-class submarine | 4 |
| Lafayette-class submarine canonical | 4 |
| Lafayette-class ballistic missile submarine | 1 |
| US Navy Lafayette-class submarine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9387456 — 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: Lafayette-class submarine Context triple: [Polaris missile system, primaryLaunchPlatform, Lafayette-class submarine]
-
A.
George Washington-class submarine
The George Washington-class submarine was the United States Navy’s first class of nuclear-powered ballistic missile submarines, pioneering sea-based strategic nuclear deterrence during the Cold War.
-
B.
Ethan Allen-class submarine
The Ethan Allen-class submarine was a series of early U.S. Navy nuclear-powered ballistic missile submarines designed specifically to carry and launch strategic Polaris missiles during the Cold War.
-
C.
Archer-class submarine
The Archer-class submarine is a class of modern diesel-electric attack submarines, originally built for the Swedish Navy and later upgraded and operated by the Republic of Singapore Navy for stealthy underwater operations.
-
D.
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.
-
E.
Vanguard-class submarine
The Vanguard-class submarine is a class of British nuclear-powered ballistic missile submarines that form the seaborne leg of the United Kingdom’s strategic nuclear deterrent.
- 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: Lafayette-class submarine Target entity description: The Lafayette-class submarine was a series of U.S. Navy nuclear-powered ballistic missile submarines built during the Cold War to enhance the United States' strategic nuclear deterrent at sea.
-
A.
George Washington-class submarine
The George Washington-class submarine was the United States Navy’s first class of nuclear-powered ballistic missile submarines, pioneering sea-based strategic nuclear deterrence during the Cold War.
-
B.
Ethan Allen-class submarine
The Ethan Allen-class submarine was a series of early U.S. Navy nuclear-powered ballistic missile submarines designed specifically to carry and launch strategic Polaris missiles during the Cold War.
-
C.
Archer-class submarine
The Archer-class submarine is a class of modern diesel-electric attack submarines, originally built for the Swedish Navy and later upgraded and operated by the Republic of Singapore Navy for stealthy underwater operations.
-
D.
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.
-
E.
Vanguard-class submarine
The Vanguard-class submarine is a class of British nuclear-powered ballistic missile submarines that form the seaborne leg of the United Kingdom’s strategic nuclear deterrent.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | ballistic missile submarine class ⓘ |
| armament |
ballistic missiles
ⓘ
torpedoes ⓘ |
| buildStart | 1961 ⓘ |
| category |
Ballistic missile submarines
ⓘ
Cold War submarines of the United States ⓘ Nuclear submarines of the United States Navy ⓘ |
| conflict | Cold War ⓘ |
| constructionMethod | double-hull design ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crewComplement | two-crew system ⓘ |
| crewType |
Blue crew
ⓘ
Gold crew ⓘ |
| designedBy | United States Navy Bureau of Ships NERFINISHED ⓘ |
| designedFor |
sea-based nuclear deterrent
ⓘ
second-strike capability ⓘ |
| era | 1960s warship class ⓘ |
| followedBy |
Benjamin Franklin-class submarine
NERFINISHED
ⓘ
James Madison-class submarine NERFINISHED ⓘ |
| hullType | steel hull ⓘ |
| launchCapability | underwater missile launch ⓘ |
| launchPlatformFor | submarine-launched ballistic missile ⓘ |
| missileSystem |
UGM-27 Polaris
NERFINISHED
ⓘ
UGM-73 Poseidon NERFINISHED ⓘ UGM-96 Trident I NERFINISHED ⓘ |
| namedAfter | Marquis de Lafayette NERFINISHED ⓘ |
| natoReportingName | SSBN NERFINISHED ⓘ |
| nuclearWeaponsPlatform | yes ⓘ |
| numberBuilt | 9 ⓘ |
| operator | United States Navy ⓘ |
| partOf |
Polaris submarine fleet
NERFINISHED
ⓘ
United States strategic nuclear deterrent ⓘ |
| powerPlantType | pressurized water reactor ⓘ |
| precededBy | Ethan Allen-class submarine NERFINISHED ⓘ |
| primaryMission | nuclear deterrence ⓘ |
| propulsion |
nuclear reactor
ⓘ
steam turbines ⓘ |
| retired | 1994 ⓘ |
| role | strategic deterrence patrols ⓘ |
| secondaryMission | intelligence gathering ⓘ |
| serviceEntry | 1963 ⓘ |
| status | all units decommissioned ⓘ |
| strategicTriadComponent | sea-based leg of U.S. nuclear triad ⓘ |
| subclassOf | SSBN NERFINISHED ⓘ |
| usedBy |
United States Navy Atlantic Fleet
NERFINISHED
ⓘ
United States Navy Pacific Fleet NERFINISHED ⓘ |
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: Lafayette-class submarine Description of subject: The Lafayette-class submarine was a series of U.S. Navy nuclear-powered ballistic missile submarines built during the Cold War to enhance the United States' strategic nuclear deterrent at sea.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Benjamin Franklin-class submarine
subject surface form:
Ohio-class submarine
subject surface form:
Ohio-class submarine
this entity surface form:
Benjamin Franklin-class submarine
this entity surface form:
US Navy Lafayette-class submarine
this entity surface form:
Lafayette-class ballistic missile submarine
this entity surface form:
Benjamin Franklin-class submarine
this entity surface form:
Benjamin Franklin-class submarine