Columbia-class submarine

E168670

ballistic missile submarine nuclear-powered submarine ship class

The Columbia-class submarine is the U.S. Navy’s next-generation nuclear-powered ballistic missile submarine designed to replace the aging Ohio-class as the backbone of America’s sea-based nuclear deterrent.

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All labels observed (11)

Label	Occurrences
Columbia-class submarine canonical	6
Columbia-class ballistic missile submarine	4
Columbia class	3
Columbia-class ballistic missile submarines	3
Columbia-class	2
Columbia-class (NX-refit concept)	1
Columbia-class SSBN	1
Columbia-class submarine design	1
US Columbia-class SSBN program	1
US Columbia-class submarine programme	1
to be partially replaced by Columbia-class SSBN	1

How this entity was disambiguated

This entity first appeared as the object of triple T1470546 — 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: Columbia-class submarine
Context triple: [General Dynamics, notableProduct, Columbia-class submarine]

A. 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.
B. 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.
C. 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.
D. Victoria-class submarine
The Victoria-class submarine is a class of diesel-electric attack submarines originally built for the Royal Navy as the Upholder class and later modernized and operated by the Royal Canadian Navy for coastal defense, surveillance, and training.
E. Dreadnought-class submarine
The Dreadnought-class submarine is a new generation of British nuclear-powered ballistic missile submarines designed to replace the Royal Navy’s Vanguard class as the backbone of the UK’s sea-based 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: Columbia-class submarine
Target entity description: The Columbia-class submarine is the U.S. Navy’s next-generation nuclear-powered ballistic missile submarine designed to replace the aging Ohio-class as the backbone of America’s sea-based nuclear deterrent.

A. 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.
B. 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.
C. 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.
D. Victoria-class submarine
The Victoria-class submarine is a class of diesel-electric attack submarines originally built for the Royal Navy as the Upholder class and later modernized and operated by the Royal Canadian Navy for coastal defense, surveillance, and training.
E. Dreadnought-class submarine
The Dreadnought-class submarine is a new generation of British nuclear-powered ballistic missile submarines designed to replace the Royal Navy’s Vanguard class as the backbone of the UK’s sea-based nuclear deterrent.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	ballistic missile submarine ⓘ nuclear-powered submarine ⓘ ship class ⓘ
builder	General Dynamics Electric Boat ⓘ linked to: Electric Boat Company Huntington Ingalls Industries – Newport News Shipbuilding ⓘ linked to: Newport News Shipbuilding
classification	SSBN ⓘ
constructionMethod	modular construction ⓘ
countryOfOrigin	United States ⓘ linked to: United States of America
crewSizeClass	approximately 150 sailors ⓘ
designatedAs	SSBN(X) program ⓘ
designAuthority	United States Navy ⓘ
designFeature	X-shaped stern control surfaces ⓘ common missile compartment ⓘ electric-drive propulsion ⓘ life-of-ship nuclear reactor core ⓘ reduced acoustic signature ⓘ
displacementClass	over 20,000 tons submerged ⓘ
expectedCommissioningOfLeadBoat	2030s ⓘ
firstUnitHullNumber	SSBN-826 ⓘ
firstUnitName	USS Columbia (SSBN-826) ⓘ
fleet	U.S. Navy SSBN force ⓘ linked to: Ohio-class SSBN group
homeportPlanned	Kings Bay, Georgia ⓘ linked to: Naval Submarine Base Kings Bay Naval Submarine Base Bangor, Washington ⓘ linked to: Naval Base Kitsap
hullMaterial	high-strength steel ⓘ
intendedRole	sea-based nuclear deterrent ⓘ strategic deterrent ⓘ
intendedServiceLife	approximately 42 years ⓘ
missileTubesPerBoat	16 ⓘ
missileTypeCarried	Trident II D5 submarine-launched ballistic missile ⓘ linked to: Trident II D5 missile
namedAfter	District of Columbia ⓘ
operator	United States Navy ⓘ
patrolPattern	continuous at-sea deterrent patrols ⓘ
plannedNumberBuilt	12 ⓘ
predecessor	Ohio-class submarine ⓘ linked to: Ohio-class ballistic missile submarine
primaryArmament	submarine-launched ballistic missiles ⓘ
primaryMission	nuclear deterrence patrols ⓘ
programImportance	top U.S. Navy acquisition priority ⓘ
programStatusAsOfMid2020s	under construction and development ⓘ
programType	strategic modernization program ⓘ
propulsion	nuclear reactor ⓘ
reducedFromPredecessorMissileTubes	24 on Ohio-class to 16 on Columbia-class ⓘ
replaces	Ohio-class ballistic missile submarine ⓘ
secondaryMission	intelligence, surveillance, and reconnaissance ⓘ special operations support ⓘ
serviceBranch	United States Navy ⓘ
stealthEmphasis	acoustic stealth ⓘ
strategicCommand	U.S. Strategic Command ⓘ
strategicTriadComponent	sea-based leg of U.S. nuclear triad ⓘ

How these facts were elicited