W76 thermonuclear warhead
E377962
The W76 thermonuclear warhead is a U.S. Navy submarine-launched ballistic missile warhead designed for strategic nuclear deterrence, featuring a compact design and variable-yield capabilities.
All labels observed (7)
| Label | Occurrences |
|---|---|
| W76 warhead | 3 |
| W76 thermonuclear warhead canonical | 2 |
| W76 | 1 |
| W76-1 | 1 |
| W76-1 Life Extension Program | 1 |
| W76-1 warhead | 1 |
| W76-2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3654220 — 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.
Target entity: W76 thermonuclear warhead Context triple: [Trident II D5, warheadModel, W76 thermonuclear warhead]
-
A.
Minuteman III
Minuteman III is an American intercontinental ballistic missile (ICBM) that has served as a key land-based component of the United States' nuclear deterrent since the 1970s.
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B.
Trident II D5 missile
The Trident II D5 missile is a submarine-launched, nuclear-capable ballistic missile used by the U.S. and U.K. navies as a key component of their strategic deterrent forces.
-
C.
Teller–Ulam design
The Teller–Ulam design is the standard two-stage thermonuclear weapon architecture that enables the immense explosive power of modern hydrogen bombs through radiation-driven compression of a secondary fusion stage.
-
D.
Trident nuclear missile system
The Trident nuclear missile system is the United Kingdom’s submarine-launched ballistic missile-based nuclear deterrent, carried by its Vanguard-class submarines as the core of its strategic defense.
-
E.
Trident 1C
Trident 1C is an early production variant of the British Hawker Siddeley Trident narrow-body jet airliner, used primarily for short- to medium-haul passenger services.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: W76 thermonuclear warhead Target entity description: The W76 thermonuclear warhead is a U.S. Navy submarine-launched ballistic missile warhead designed for strategic nuclear deterrence, featuring a compact design and variable-yield capabilities.
-
A.
Minuteman III
Minuteman III is an American intercontinental ballistic missile (ICBM) that has served as a key land-based component of the United States' nuclear deterrent since the 1970s.
-
B.
Trident II D5 missile
The Trident II D5 missile is a submarine-launched, nuclear-capable ballistic missile used by the U.S. and U.K. navies as a key component of their strategic deterrent forces.
-
C.
Teller–Ulam design
The Teller–Ulam design is the standard two-stage thermonuclear weapon architecture that enables the immense explosive power of modern hydrogen bombs through radiation-driven compression of a secondary fusion stage.
-
D.
Trident nuclear missile system
The Trident nuclear missile system is the United Kingdom’s submarine-launched ballistic missile-based nuclear deterrent, carried by its Vanguard-class submarines as the core of its strategic defense.
-
E.
Trident 1C
Trident 1C is an early production variant of the British Hawker Siddeley Trident narrow-body jet airliner, used primarily for short- to medium-haul passenger services.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. nuclear warhead
ⓘ
thermonuclear warhead ⓘ |
| approximateLength | about 1.7 meters ⓘ |
| approximateWeight | around 160 kilograms ⓘ |
| armsControlContext | referenced in U.S. nuclear posture reviews ⓘ |
| compactDesign | yes ⓘ |
| compatibleMissile |
Trident II D5 missile
ⓘ
surface form:
UGM-133 Trident II
Trident I C4 ⓘ
surface form:
UGM-96 Trident I
|
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| deliveryEnvironment | submerged launch from SSBNs ⓘ |
| deployedAs | multiple independently targetable reentry vehicle payload ⓘ |
| deployedOn |
Ohio-class ballistic missile submarine
ⓘ
surface form:
Ohio-class ballistic missile submarines
|
| deploymentPlatform | submarine-launched ballistic missile ⓘ |
| designedBy |
Los Alamos Laboratory
ⓘ
surface form:
Los Alamos National Laboratory
|
| designedFor | second-strike capability ⓘ |
| designType | two-stage thermonuclear ⓘ |
| deterrenceConcept | assured retaliation ⓘ |
| developmentStart | early 1970s ⓘ |
| enteredLifeExtensionProgram | early 2000s ⓘ |
| era | Cold War ⓘ |
| governingAgency | National Nuclear Security Administration ⓘ |
| guidanceContext | MIRV reentry vehicle payload ⓘ |
| lifeExtensionProgramName | W76-1 LEP ⓘ |
| modernizedVariant |
W76 thermonuclear warhead
self-linksurface differs
ⓘ
surface form:
W76-1
W76 thermonuclear warhead self-linksurface differs ⓘ
surface form:
W76-2
|
| operator | United States Navy ⓘ |
| originalVariant | W76-0 ⓘ |
| purposeOfW76-2 | provide lower-yield strategic option ⓘ |
| reentryVehicleType | Mk 4 reentry vehicle ⓘ |
| role | strategic nuclear deterrent ⓘ |
| safetyFeatures | enhanced safety and security in W76-1 ⓘ |
| serviceEntry |
around 1978
ⓘ
late 1970s ⓘ |
| status | in active service ⓘ |
| storageAndAssemblySite | Pantex Plant ⓘ |
| strategicImportance | primary U.S. sea-based nuclear warhead for decades ⓘ |
| strategicRole | countervalue and counterforce targeting ⓘ |
| successorOrComplement | W88 thermonuclear warhead ⓘ |
| treatyRelevance | subject to New START counting rules ⓘ |
| usedOnWeaponSystem |
Trident I C4
ⓘ
Trident II D5 missile ⓘ
surface form:
Trident II D5
|
| user |
Ohio-class ballistic missile submarine
ⓘ
surface form:
U.S. Navy ballistic missile submarines
|
| variableYieldCapability | implemented via different variants (W76-0, W76-1, W76-2) ⓘ |
| W76-1Yield | approximately 90 kilotons of TNT ⓘ |
| W76-2Yield | low-yield (single-digit kilotons) ⓘ |
| warheadFamily | U.S. Trident SLBM warheads ⓘ |
| yield | approximately 100 kilotons of TNT ⓘ |
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.
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.
Subject: W76 thermonuclear warhead Description of subject: The W76 thermonuclear warhead is a U.S. Navy submarine-launched ballistic missile warhead designed for strategic nuclear deterrence, featuring a compact design and variable-yield capabilities.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.