Columbia-class submarine
E168670
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.
All labels observed (7)
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]
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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.
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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.
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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.
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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.
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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 |
Electric Boat Company
ⓘ
surface form:
General Dynamics Electric Boat
Newport News Shipbuilding ⓘ
surface form:
Huntington Ingalls Industries – Newport News Shipbuilding
|
| classification | SSBN ⓘ |
| constructionMethod | modular construction ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| 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 |
Ohio-class SSBN group
ⓘ
surface form:
U.S. Navy SSBN force
|
| homeportPlanned |
Naval Submarine Base Kings Bay
ⓘ
surface form:
Kings Bay, Georgia
Naval Base Kitsap ⓘ
surface form:
Naval Submarine Base Bangor, Washington
|
| hullMaterial | high-strength steel ⓘ |
| intendedRole |
sea-based nuclear deterrent
ⓘ
strategic deterrent ⓘ |
| intendedServiceLife | approximately 42 years ⓘ |
| missileTubesPerBoat | 16 ⓘ |
| missileTypeCarried |
Trident II D5 missile
ⓘ
surface form:
Trident II D5 submarine-launched ballistic missile
|
| namedAfter | District of Columbia ⓘ |
| operator | United States Navy ⓘ |
| patrolPattern | continuous at-sea deterrent patrols ⓘ |
| plannedNumberBuilt | 12 ⓘ |
| predecessor |
Ohio-class ballistic missile submarine
ⓘ
surface form:
Ohio-class 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
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: Columbia-class submarine Description of subject: 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.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Columbia-class ballistic missile submarines
Dreadnought-class nuclear-powered ballistic missile submarines
→
missileCompartmentsSharedWith
→
Columbia-class submarine
ⓘ
subject surface form:
Ohio-class SSBN
this entity surface form:
to be partially replaced by Columbia-class SSBN
subject surface form:
Ohio-class submarine
subject surface form:
Ohio-class submarine
this entity surface form:
Columbia-class ballistic missile submarine
this entity surface form:
Columbia-class ballistic missile submarines
this entity surface form:
Columbia-class ballistic missile submarine
this entity surface form:
Columbia-class ballistic missile submarine
this entity surface form:
Columbia-class SSBN
this entity surface form:
Columbia-class submarine design
this entity surface form:
US Columbia-class SSBN program