W87 warhead
E443711
The W87 warhead is an American MIRV-capable thermonuclear warhead originally designed for the LGM-118A Peacekeeper intercontinental ballistic missile and later adapted for use on Minuteman III ICBMs.
All labels observed (3)
| Label | Occurrences |
|---|---|
| W87 warhead canonical | 6 |
| W87-1 | 1 |
| W87-1 warhead | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4407896 — 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: W87 warhead Context triple: [U.S. thermonuclear weapons program, developedWeapon, W87 warhead]
-
A.
W76 thermonuclear warhead
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.
-
B.
W47 warhead
The W47 warhead was a compact American thermonuclear warhead designed primarily for deployment on Polaris submarine-launched ballistic missiles during the Cold War.
-
C.
W78 warhead
The W78 warhead is an American MIRV-capable thermonuclear warhead designed for deployment on intercontinental ballistic missiles.
-
D.
W88 thermonuclear warhead
The W88 thermonuclear warhead is a compact, high-yield U.S. nuclear warhead designed for deployment on submarine-launched ballistic missiles.
-
E.
B83 nuclear bomb
The B83 nuclear bomb is a high-yield U.S. thermonuclear gravity bomb designed for strategic deployment by bomber aircraft.
- 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: W87 warhead Target entity description: The W87 warhead is an American MIRV-capable thermonuclear warhead originally designed for the LGM-118A Peacekeeper intercontinental ballistic missile and later adapted for use on Minuteman III ICBMs.
-
A.
W76 thermonuclear warhead
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.
-
B.
W47 warhead
The W47 warhead was a compact American thermonuclear warhead designed primarily for deployment on Polaris submarine-launched ballistic missiles during the Cold War.
-
C.
W78 warhead
The W78 warhead is an American MIRV-capable thermonuclear warhead designed for deployment on intercontinental ballistic missiles.
-
D.
W88 thermonuclear warhead
The W88 thermonuclear warhead is a compact, high-yield U.S. nuclear warhead designed for deployment on submarine-launched ballistic missiles.
-
E.
B83 nuclear bomb
The B83 nuclear bomb is a high-yield U.S. thermonuclear gravity bomb designed for strategic deployment by bomber aircraft.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear weapon
ⓘ
thermonuclear warhead ⓘ |
| associatedProgram |
Minuteman III life extension efforts
ⓘ
Peacekeeper missile program ⓘ |
| associatedWithModernization | U.S. strategic forces modernization ⓘ |
| belongsToCategory |
ICBM warheads
ⓘ
thermonuclear weapons of the United States ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| deploymentEnvironment | silo-based ICBM systems ⓘ |
| deploymentPlatformType | land-based ICBM ⓘ |
| deploymentRole | strategic nuclear deterrent ⓘ |
| designedFor |
LGM-118A Peacekeeper
ⓘ
linked to:
LGM-118A
MIRV deployment ⓘ intercontinental ballistic missile ⓘ |
| designedForCapability | multiple independently targetable reentry vehicles ⓘ |
| designer | Lawrence Livermore National Laboratory ⓘ |
| governingAuthority |
National Nuclear Security Administration
ⓘ
United States Department of Energy ⓘ
linked to:
U.S. Department of Energy
|
| hasFeature |
MIRV-capable
ⓘ
enhanced safety features ⓘ fire-resistant pit ⓘ insensitive high explosives ⓘ modern safety architecture ⓘ |
| hasVariant |
W87-0
ⓘ
W87-1 ⓘ
linked to:
W87 warhead
|
| intendedSuccessorOf | W78 warhead ⓘ |
| laterAdaptedFor |
LGM-30G Minuteman III
ⓘ
linked to:
Minuteman III
intercontinental ballistic missile ⓘ |
| managedBy |
United States Department of Defense
ⓘ
linked to:
Department of Defense
|
| nuclearWeaponType | thermonuclear ⓘ |
| partOf |
United States nuclear arsenal
ⓘ
linked to:
United States nuclear weapons program
|
| propulsionContext | reentry vehicle payload ⓘ |
| relatedConcept |
ICBM
ⓘ
MIRV ⓘ nuclear deterrence ⓘ |
| safetyObjective |
accident resistance
ⓘ
improved surety ⓘ unauthorized use prevention ⓘ |
| securityClassification | formerly restricted data (technical details) ⓘ |
| strategicUse | counterforce targeting ⓘ |
| technologyGeneration | second-generation U.S. ICBM warhead design ⓘ |
| treatyRelevance |
New START treaty
ⓘ
linked to:
New START Treaty
START treaties ⓘ |
| usedBy | United States Air Force ⓘ |
| usedIn |
LGM-30G Minuteman III
ⓘ
linked to:
Minuteman III
|
| warheadFamily | U.S. W-series nuclear warheads ⓘ |
| yieldType | variable yield ⓘ |
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: W87 warhead Description of subject: The W87 warhead is an American MIRV-capable thermonuclear warhead originally designed for the LGM-118A Peacekeeper intercontinental ballistic missile and later adapted for use on Minuteman III ICBMs.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: W87 warhead
linked to: W87 warhead