United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor
E216362
The United States Navy submarine USS Brien McMahon (SSBN-642) was a James Madison-class ballistic missile submarine that served as part of America's nuclear deterrent force during the Cold War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1915504 — 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: United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor Context triple: [Brien McMahon, hasHonor, United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor]
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A.
USCGC Commodore Barry (WHEC-34) named in his honor
USCGC Commodore Barry (WHEC-34) was a United States Coast Guard high endurance cutter named in honor of Revolutionary War naval hero John Barry.
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B.
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.
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C.
USS Bowfin (SS-287)
USS Bowfin (SS-287) is a World War II-era American Balao-class submarine famed for its successful wartime patrols in the Pacific and preservation as a museum ship in Pearl Harbor, Hawaii.
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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.
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: United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor Target entity description: The United States Navy submarine USS Brien McMahon (SSBN-642) was a James Madison-class ballistic missile submarine that served as part of America's nuclear deterrent force during the Cold War.
-
A.
USCGC Commodore Barry (WHEC-34) named in his honor
USCGC Commodore Barry (WHEC-34) was a United States Coast Guard high endurance cutter named in honor of Revolutionary War naval hero John Barry.
-
B.
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.
-
C.
USS Bowfin (SS-287)
USS Bowfin (SS-287) is a World War II-era American Balao-class submarine famed for its successful wartime patrols in the Pacific and preservation as a museum ship in Pearl Harbor, Hawaii.
-
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.
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 (25)
| Predicate | Object |
|---|---|
| instanceOf |
James Madison-class submarine
ⓘ
United States Navy submarine ⓘ ballistic missile submarine ⓘ |
| armament | submarine-launched ballistic missiles ⓘ |
| category |
Cold War submarines of the United States
ⓘ
James Madison-class submarine ⓘ
surface form:
James Madison-class ballistic missile submarines
nuclear-powered submarines of the United States Navy ⓘ |
| class |
Ohio class
ⓘ
surface form:
James Madison class
|
| conflict | Cold War ⓘ |
| country | United States of America ⓘ |
| designedFor | strategic deterrent patrols ⓘ |
| era | Cold War era ⓘ |
| hullNumber | SSBN-642 ⓘ |
| mission | nuclear deterrent patrols ⓘ |
| namedAfter | Brien McMahon ⓘ |
| navalFleet |
Atlantic Fleet
ⓘ
surface form:
United States Atlantic Fleet
|
| nuclearCapability | sea-based nuclear deterrent ⓘ |
| operator | United States Navy ⓘ |
| partOf |
United States nuclear triad
ⓘ
surface form:
United States strategic nuclear triad
|
| propulsion | nuclear-powered ⓘ |
| role | strategic nuclear deterrent ⓘ |
| serviceBranch | United States Navy ⓘ |
| serviceRole | ballistic missile platform ⓘ |
| shipType | submarine ⓘ |
| type | fleet ballistic missile submarine ⓘ |
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: United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor Description of subject: The United States Navy submarine USS Brien McMahon (SSBN-642) was a James Madison-class ballistic missile submarine that served as part of America's nuclear deterrent force during the Cold War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Brien McMahon
→
hasHonor
→
United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor
ⓘ