USS Columbia (SSBN-826)
E650387
USS Columbia (SSBN-826) is the lead boat of the U.S. Navy’s next-generation Columbia-class nuclear-powered ballistic missile submarines, designed to replace the aging Ohio-class as a key component of the United States’ sea-based nuclear deterrent.
All labels observed (1)
| Label | Occurrences |
|---|---|
| USS Columbia (SSBN-826) canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7198245 — 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: USS Columbia (SSBN-826) Context triple: [Columbia-class submarine, firstUnitName, USS Columbia (SSBN-826)]
-
A.
USS Maryland (SSBN-738)
USS Maryland (SSBN-738) is an Ohio-class nuclear-powered ballistic missile submarine of the United States Navy, designed for strategic deterrence patrols.
-
B.
USS Chicago (SSN-721)
USS Chicago (SSN-721) is a Los Angeles-class nuclear-powered attack submarine of the United States Navy named after the city of Chicago.
-
C.
SSN-571
SSN-571 is the hull number of USS Nautilus, the world’s first operational nuclear-powered submarine and a pioneering vessel in naval history.
-
D.
USS Virginia (SSN-774)
USS Virginia (SSN-774) is a United States Navy nuclear-powered attack submarine that serves as the lead boat of the Virginia class, designed for a broad range of open-ocean and littoral missions.
-
E.
USS Albacore (AGSS-569)
USS Albacore (AGSS-569) was an experimental U.S. Navy submarine whose revolutionary teardrop-shaped hull design greatly influenced the development of modern fast-attack submarines.
- 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: USS Columbia (SSBN-826) Target entity description: USS Columbia (SSBN-826) is the lead boat of the U.S. Navy’s next-generation Columbia-class nuclear-powered ballistic missile submarines, designed to replace the aging Ohio-class as a key component of the United States’ sea-based nuclear deterrent.
-
A.
USS Maryland (SSBN-738)
USS Maryland (SSBN-738) is an Ohio-class nuclear-powered ballistic missile submarine of the United States Navy, designed for strategic deterrence patrols.
-
B.
USS Chicago (SSN-721)
USS Chicago (SSN-721) is a Los Angeles-class nuclear-powered attack submarine of the United States Navy named after the city of Chicago.
-
C.
SSN-571
SSN-571 is the hull number of USS Nautilus, the world’s first operational nuclear-powered submarine and a pioneering vessel in naval history.
-
D.
USS Virginia (SSN-774)
USS Virginia (SSN-774) is a United States Navy nuclear-powered attack submarine that serves as the lead boat of the Virginia class, designed for a broad range of open-ocean and littoral missions.
-
E.
USS Albacore (AGSS-569)
USS Albacore (AGSS-569) was an experimental U.S. Navy submarine whose revolutionary teardrop-shaped hull design greatly influenced the development of modern fast-attack submarines.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Columbia-class submarine
ⓘ
United States Navy ship ⓘ ballistic missile submarine ⓘ |
| alliance | NATO ⓘ |
| armament | submarine-launched ballistic missiles ⓘ |
| ballisticMissileCapability | true ⓘ |
| builder |
General Dynamics Electric Boat
ⓘ
linked to:
Electric Boat Company
|
| class |
Columbia class
ⓘ
linked to:
Columbia-class submarine
|
| country |
United States
ⓘ
linked to:
United States of America
|
| designFeature |
X-shaped stern
ⓘ
electric drive propulsion ⓘ life-of-ship nuclear reactor core ⓘ |
| fleet |
United States Navy Submarine Force
ⓘ
linked to:
United States Submarine Force
|
| generation | next-generation U.S. ballistic missile submarine ⓘ |
| homeCountry |
United States
ⓘ
linked to:
United States of America
|
| hullClassificationSymbol | SSBN-826 ⓘ |
| intendedServiceLife | long-life strategic deterrent platform ⓘ |
| leadShipOfClass |
Columbia class
ⓘ
linked to:
Columbia-class submarine
|
| mission | strategic nuclear deterrence ⓘ |
| namedAfter | District of Columbia ⓘ |
| navalService | United States Navy ⓘ |
| nuclearDeterrentLeg | sea leg of the United States nuclear triad ⓘ |
| nuclearPowered | true ⓘ |
| operator | United States Navy ⓘ |
| pennantNumber | SSBN-826 ⓘ |
| predecessorClass | Ohio class ⓘ |
| primaryWeaponType |
Trident II D5 submarine-launched ballistic missiles
ⓘ
linked to:
Trident II D5 missile
|
| propulsion | nuclear ⓘ |
| purpose | to replace Ohio-class ballistic missile submarines ⓘ |
| replaces |
Ohio-class ballistic missile submarines
ⓘ
linked to:
Ohio-class ballistic missile submarine
|
| role | sea-based nuclear deterrent ⓘ |
| serviceBranch | United States Navy ⓘ |
| shipType | ballistic missile submarine ⓘ |
| shipyard |
General Dynamics Electric Boat
ⓘ
linked to:
Electric Boat Company
|
| status | under construction ⓘ |
| strategicAsset | United States nuclear forces ⓘ |
| strategicCommand |
United States Strategic Command
ⓘ
linked to:
U.S. Strategic Command
|
| strategicRole | strategic deterrence patrols ⓘ |
| submarineClassRole | ballistic missile submarine (SSBN) ⓘ |
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: USS Columbia (SSBN-826) Description of subject: USS Columbia (SSBN-826) is the lead boat of the U.S. Navy’s next-generation Columbia-class nuclear-powered ballistic missile submarines, designed to replace the aging Ohio-class as a key component of the United States’ sea-based nuclear deterrent.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.