Los Angeles-class submarines

E487035

United States Navy submarine class nuclear-powered attack submarine class

Los Angeles-class submarines are a class of nuclear-powered fast attack submarines used by the United States Navy for missions including anti-submarine warfare, intelligence gathering, and strike operations.

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All labels observed (9)

Label	Occurrences
Los Angeles-class submarines canonical	5
Los Angeles-class submarine	2
Flight I Los Angeles-class submarine	1
Flight II Los Angeles-class submarine	1
Flight III (688i) Los Angeles-class submarine	1
Los Angeles-class attack submarine	1
Los Angeles-class attack submarines	1
Los Angeles-class nuclear-powered attack submarines	1
U.S. Los Angeles-class submarine	1

How this entity was disambiguated

This entity first appeared as the object of triple T5004751 — 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: Los Angeles-class submarines
Context triple: [Portsmouth Naval Shipyard, supportsVesselType, Los Angeles-class submarines]

A. Skipjack-class nuclear submarines
The Skipjack-class nuclear submarines were a pioneering class of fast attack submarines in the U.S. Navy, notable for their teardrop hull design and enhanced underwater speed and maneuverability during the Cold War era.
B. Ohio-class ballistic missile submarine
The Ohio-class ballistic missile submarine is a class of U.S. Navy nuclear-powered submarines designed primarily for strategic nuclear deterrence, carrying long-range submarine-launched ballistic missiles.
C. Virginia-class submarine
The Virginia-class submarine is a class of nuclear-powered fast attack submarines used by the United States Navy, designed for a broad range of open-ocean and littoral missions with advanced stealth, surveillance, and strike capabilities.
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. 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: Los Angeles-class submarines
Target entity description: Los Angeles-class submarines are a class of nuclear-powered fast attack submarines used by the United States Navy for missions including anti-submarine warfare, intelligence gathering, and strike operations.

A. Skipjack-class nuclear submarines
The Skipjack-class nuclear submarines were a pioneering class of fast attack submarines in the U.S. Navy, notable for their teardrop hull design and enhanced underwater speed and maneuverability during the Cold War era.
B. Ohio-class ballistic missile submarine
The Ohio-class ballistic missile submarine is a class of U.S. Navy nuclear-powered submarines designed primarily for strategic nuclear deterrence, carrying long-range submarine-launched ballistic missiles.
C. Virginia-class submarine
The Virginia-class submarine is a class of nuclear-powered fast attack submarines used by the United States Navy, designed for a broad range of open-ocean and littoral missions with advanced stealth, surveillance, and strike capabilities.
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. 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 (55)

Predicate	Object
instanceOf	United States Navy submarine class ⓘ nuclear-powered attack submarine class ⓘ
allianceUser	NATO ⓘ
armament	21-inch torpedo tubes ⓘ Mk 48 torpedoes ⓘ Tomahawk cruise missiles ⓘ linked to: Tomahawk cruise missile UGM-84 Harpoon anti-ship missiles ⓘ mines ⓘ
beam	approximately 10 meters ⓘ
builder	Electric Boat ⓘ linked to: Electric Boat Company Newport News Shipbuilding ⓘ
countryOfOrigin	United States of America ⓘ
crewComplement	about 12 officers ⓘ about 130 ⓘ about 98 enlisted ⓘ
designer	United States Navy ⓘ
displacementSubmerged	approximately 6900 tons ⓘ
feature	bow-mounted diving planes (688i units) ⓘ sail-mounted diving planes (early units) ⓘ vertical launch system for Tomahawk (selected units) ⓘ
firstUnitCommissioningDate	1976 ⓘ
firstUnitLaidDown	USS Los Angeles (SSN-688) ⓘ
followedBy	Seawolf-class submarine ⓘ Virginia-class submarine ⓘ
hasVariant	Flight I Los Angeles-class submarine ⓘ linked to: Los Angeles-class submarines Flight II Los Angeles-class submarine ⓘ linked to: Los Angeles-class submarines Flight III (688i) Los Angeles-class submarine ⓘ linked to: Los Angeles-class submarines
hullType	single-hull submarine ⓘ
introducedInConflict	Cold War ⓘ
length	approximately 110 meters ⓘ
maximumSpeedSubmerged	over 30 knots ⓘ
namedAfter	city of Los Angeles, California ⓘ linked to: Los Angeles, California, United States of America
NATOReportingName	Los Angeles class ⓘ
numberBuilt	62 ⓘ
operator	United States Navy ⓘ
powerPlant	S6G pressurized-water nuclear reactor ⓘ
precededBy	Sturgeon-class submarine ⓘ
primaryRole	fast attack submarine ⓘ
propulsion	nuclear reactor ⓘ steam turbines ⓘ
role	anti-submarine warfare ⓘ anti-surface warfare ⓘ intelligence gathering ⓘ strike operations ⓘ
serviceEntry	1976 ⓘ
status	in service ⓘ partially retired ⓘ
subclassOf	attack submarine ⓘ nuclear-powered submarine ⓘ
testDepth	over 650 feet ⓘ
totalUnitsCompleted	62 ⓘ
totalUnitsPlanned	62 ⓘ
usedInConflict	Gulf War ⓘ Iraq War ⓘ War in Afghanistan (support operations) ⓘ linked to: War in Afghanistan (2001–2021)

How these facts were elicited