US–UK Polaris Sales Agreement
E234045
The US–UK Polaris Sales Agreement was a landmark Cold War defense pact under which the United States supplied Polaris submarine-launched ballistic missile systems to the United Kingdom, underpinning Britain’s sea-based nuclear deterrent.
All labels observed (1)
| Label | Occurrences |
|---|---|
| US–UK Polaris Sales Agreement canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2118210 — 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: US–UK Polaris Sales Agreement Context triple: [Agreement between the Government of the United States of America and the Government of the United Kingdom of Great Britain and Northern Ireland for Cooperation on the Uses of Atomic Energy for Mutual Defence Purposes, relatedTo, US–UK Polaris Sales Agreement]
-
A.
UKUSA Agreement
The UKUSA Agreement is a post-World War II multilateral intelligence-sharing pact, originally between the US and UK, that underpins the global signals intelligence alliance now known as the Five Eyes.
-
B.
BRUSA Agreement
The BRUSA Agreement was a World War II-era intelligence-sharing pact between the United States and the United Kingdom that laid the foundation for modern Anglo-American signals intelligence cooperation.
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C.
Voluntary Intermodal Sealift Agreement
The Voluntary Intermodal Sealift Agreement is a U.S. government program that secures access to commercial shipping and intermodal transportation resources from private carriers to support national defense and emergency sealift requirements.
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D.
New York Agreement
The New York Agreement is a component accord of the broader Chapultepec Peace Accords that helped formalize and support the negotiated end to El Salvador’s civil war.
-
E.
NORAD Agreement
The NORAD Agreement is the binational treaty between the United States and Canada that established and governs their joint aerospace warning and control organization, NORAD.
- 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: US–UK Polaris Sales Agreement Target entity description: The US–UK Polaris Sales Agreement was a landmark Cold War defense pact under which the United States supplied Polaris submarine-launched ballistic missile systems to the United Kingdom, underpinning Britain’s sea-based nuclear deterrent.
-
A.
UKUSA Agreement
The UKUSA Agreement is a post-World War II multilateral intelligence-sharing pact, originally between the US and UK, that underpins the global signals intelligence alliance now known as the Five Eyes.
-
B.
BRUSA Agreement
The BRUSA Agreement was a World War II-era intelligence-sharing pact between the United States and the United Kingdom that laid the foundation for modern Anglo-American signals intelligence cooperation.
-
C.
Voluntary Intermodal Sealift Agreement
The Voluntary Intermodal Sealift Agreement is a U.S. government program that secures access to commercial shipping and intermodal transportation resources from private carriers to support national defense and emergency sealift requirements.
-
D.
New York Agreement
The New York Agreement is a component accord of the broader Chapultepec Peace Accords that helped formalize and support the negotiated end to El Salvador’s civil war.
-
E.
NORAD Agreement
The NORAD Agreement is the binational treaty between the United States and Canada that established and governs their joint aerospace warning and control organization, NORAD.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Cold War military pact
ⓘ
bilateral treaty ⓘ defense agreement ⓘ |
| category |
Cold War treaties
ⓘ
Anglo-American relations ⓘ
surface form:
United States–United Kingdom military relations
arms transfer agreement ⓘ nuclear weapons policy of the United Kingdom ⓘ nuclear weapons policy of the United States ⓘ |
| conflictContext | Cold War ⓘ |
| country |
United Kingdom
ⓘ
United States of America ⓘ
surface form:
United States
|
| effect |
deepened US–UK strategic nuclear cooperation
ⓘ
enabled the United Kingdom to deploy submarine-based strategic nuclear missiles ⓘ |
| era | 20th century ⓘ |
| language | English ⓘ |
| legalForm | executive agreement ⓘ |
| platform | ballistic missile submarine ⓘ |
| purpose |
supply of Polaris submarine-launched ballistic missile systems to the United Kingdom
ⓘ
support of the United Kingdom’s sea-based nuclear deterrent ⓘ |
| recipient | United Kingdom ⓘ |
| relatedAlliance | NATO ⓘ |
| relatedDoctrine | nuclear deterrence ⓘ |
| replacedBy |
Nuclear weapons policy of the United Kingdom
ⓘ
surface form:
US–UK Trident arrangements
|
| signatory |
UK government
ⓘ
surface form:
United Kingdom government
United States government ⓘ |
| strategicRole | sea-based leg of the United Kingdom nuclear deterrent ⓘ |
| supplier |
United States of America
ⓘ
surface form:
United States
|
| underpinned |
Royal Navy Submarine Service
ⓘ
surface form:
Royal Navy Polaris submarine force
|
| weaponSystem |
Polaris missile system
ⓘ
surface form:
Polaris missile
|
| weaponSystemType | submarine-launched ballistic missile ⓘ |
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: US–UK Polaris Sales Agreement Description of subject: The US–UK Polaris Sales Agreement was a landmark Cold War defense pact under which the United States supplied Polaris submarine-launched ballistic missile systems to the United Kingdom, underpinning Britain’s sea-based nuclear deterrent.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.