Ohio-class SSBN group
E298091
United States Navy submarine class
ballistic missile submarine class
nuclear-powered submarine class
The Ohio-class SSBN group is a class of U.S. Navy nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ohio-class SSBN group canonical | 1 |
| U.S. Navy SSBN force | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2766640 — 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: Ohio-class SSBN group Context triple: [USS Maryland (SSBN-738), belongsTo, Ohio-class SSBN group]
-
A.
Triomphant-class ballistic missile submarines
The Triomphant-class ballistic missile submarines are France’s current generation of nuclear-powered strategic deterrent submarines, designed to carry and launch submarine-launched ballistic missiles as part of the French nuclear arsenal.
-
B.
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.
-
C.
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.
-
D.
Dreadnought-class nuclear-powered ballistic missile submarines
The Dreadnought-class nuclear-powered ballistic missile submarines are the United Kingdom’s next-generation Trident-armed deterrent vessels designed to replace the Vanguard class and maintain the country’s continuous at-sea nuclear deterrence.
-
E.
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.
- 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: Ohio-class SSBN group Target entity description: The Ohio-class SSBN group is a class of U.S. Navy nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
-
A.
Triomphant-class ballistic missile submarines
The Triomphant-class ballistic missile submarines are France’s current generation of nuclear-powered strategic deterrent submarines, designed to carry and launch submarine-launched ballistic missiles as part of the French nuclear arsenal.
-
B.
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.
-
C.
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.
-
D.
Dreadnought-class nuclear-powered ballistic missile submarines
The Dreadnought-class nuclear-powered ballistic missile submarines are the United Kingdom’s next-generation Trident-armed deterrent vessels designed to replace the Vanguard class and maintain the country’s continuous at-sea nuclear deterrence.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy submarine class
ⓘ
ballistic missile submarine class ⓘ nuclear-powered submarine class ⓘ |
| beam | about 13 meters ⓘ |
| builder |
Electric Boat Company
ⓘ
surface form:
General Dynamics Electric Boat
Newport News Shipbuilding ⓘ |
| conversionProgram | four units converted to SSGN ⓘ |
| convertedUnit |
USS Florida (SSGN-728)
ⓘ
USS Georgia (SSGN-729) ⓘ USS Michigan (SSGN-727) ⓘ USS Ohio (SSBN-726) ⓘ
surface form:
USS Ohio (SSGN-726)
|
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crewComplement | about 155 ⓘ |
| crewSystem | dual-crew (Blue and Gold) system ⓘ |
| designedFor | sea-based leg of U.S. nuclear triad ⓘ |
| designEra | Cold War ⓘ |
| displacementSubmerged | about 18,750 tons ⓘ |
| draft | about 12 meters ⓘ |
| firstUnit | USS Ohio (SSBN-726) ⓘ |
| fleetAssignment |
Atlantic Fleet
ⓘ
surface form:
U.S. Atlantic Fleet
U.S. Pacific Fleet ⓘ |
| homeport |
Naval Base Kitsap
ⓘ
surface form:
Naval Base Kitsap, Bangor, Washington
Naval Submarine Base Kings Bay ⓘ
surface form:
Naval Submarine Base Kings Bay, Georgia
|
| hullNumberRange | SSBN-726 to SSBN-743 ⓘ |
| launchCapability | submerged ballistic missile launch ⓘ |
| length | about 170 meters ⓘ |
| maximumSubmergedSpeed | over 20 knots ⓘ |
| missileType |
Trident II D5 missile
ⓘ
surface form:
UGM-133 Trident II D5
Trident I C4 ⓘ
surface form:
UGM-96 Trident I C4
|
| namedAfter |
Ohio
ⓘ
surface form:
U.S. state of Ohio
|
| natoReportingName | Ohio class ⓘ |
| numberBuilt | 18 ⓘ |
| numberOfMissileTubes | 24 ⓘ |
| operator | United States Navy ⓘ |
| patrolPattern | continuous at-sea deterrent patrols ⓘ |
| primaryArmament | Trident submarine-launched ballistic missiles ⓘ |
| primaryRole | strategic nuclear deterrence ⓘ |
| propulsion | single shaft with pump-jet propulsor ⓘ |
| propulsionType | nuclear-powered ⓘ |
| reactorType | S8G pressurized water reactor ⓘ |
| secondaryRole | conventional strike capability ⓘ |
| serviceEntryYear | 1981 ⓘ |
| serviceStatus | in active service ⓘ |
| strategicPurpose | survivable second-strike capability ⓘ |
| submarineType | SSBN ⓘ |
| successorRole |
Columbia-class submarine
ⓘ
surface form:
to be partially replaced by Columbia-class SSBN
|
| testDepth | over 240 meters ⓘ |
| torpedoArmament | 533 mm torpedo tubes ⓘ |
| torpedoType |
Mark 48 torpedoes
ⓘ
surface form:
Mk 48 torpedoes
|
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: Ohio-class SSBN group Description of subject: The Ohio-class SSBN group is a class of U.S. Navy nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
U.S. Navy SSBN force