Lafayette-class submarine

E798777

ballistic missile submarine class

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.

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All labels observed (4)

Label	Occurrences
Lafayette-class submarine canonical	10
Benjamin Franklin-class submarine	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 ⓘ linked to: United States of America
crewComplement	two-crew system ⓘ
crewType	Blue crew ⓘ Gold crew ⓘ
designedBy	United States Navy Bureau of Ships ⓘ
designedFor	sea-based nuclear deterrent ⓘ second-strike capability ⓘ
era	1960s warship class ⓘ
followedBy	Benjamin Franklin-class submarine ⓘ James Madison-class submarine ⓘ
hullType	steel hull ⓘ
launchCapability	underwater missile launch ⓘ
launchPlatformFor	submarine-launched ballistic missile ⓘ
missileSystem	UGM-27 Polaris ⓘ linked to: Polaris missile system UGM-73 Poseidon ⓘ UGM-96 Trident I ⓘ linked to: Trident I C4
namedAfter	Marquis de Lafayette ⓘ
natoReportingName	SSBN ⓘ
nuclearWeaponsPlatform	yes ⓘ
numberBuilt	9 ⓘ
operator	United States Navy ⓘ
partOf	Polaris submarine fleet ⓘ United States strategic nuclear deterrent ⓘ
powerPlantType	pressurized water reactor ⓘ
precededBy	Ethan Allen-class submarine ⓘ
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 ⓘ
usedBy	United States Navy Atlantic Fleet ⓘ linked to: Atlantic Fleet United States Navy Pacific Fleet ⓘ linked to: U.S. Pacific Fleet

How these facts were elicited