W88 thermonuclear warhead
E377963
The W88 thermonuclear warhead is a compact, high-yield U.S. nuclear warhead designed for deployment on submarine-launched ballistic missiles.
All labels observed (3)
| Label | Occurrences |
|---|---|
| W88 warhead | 3 |
| W88 thermonuclear warhead canonical | 2 |
| W88 Alt 370 warhead | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3654221 — 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: W88 thermonuclear warhead Context triple: [Trident II D5, warheadModel, W88 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.
-
B.
BLU-109 bomb
The BLU-109 bomb is a U.S.-designed hardened-penetrator warhead used to destroy reinforced or deeply buried targets, often integrated into precision-guided munition systems.
-
C.
S2W nuclear reactor
The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
-
D.
Soviet thermonuclear weapons program
The Soviet thermonuclear weapons program was the Cold War-era research and development effort that produced the USSR’s hydrogen bombs and established its strategic nuclear parity with the United States.
-
E.
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.
- 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: W88 thermonuclear warhead Target entity description: The W88 thermonuclear warhead is a compact, high-yield U.S. nuclear warhead designed for deployment on submarine-launched ballistic missiles.
-
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.
BLU-109 bomb
The BLU-109 bomb is a U.S.-designed hardened-penetrator warhead used to destroy reinforced or deeply buried targets, often integrated into precision-guided munition systems.
-
C.
S2W nuclear reactor
The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
-
D.
Soviet thermonuclear weapons program
The Soviet thermonuclear weapons program was the Cold War-era research and development effort that produced the USSR’s hydrogen bombs and established its strategic nuclear parity with the United States.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. nuclear weapon
ⓘ
thermonuclear warhead ⓘ |
| accuracyContext | designed for high-accuracy SLBM system ⓘ |
| approximateNumberBuilt | hundreds ⓘ |
| associatedModernization |
W88 Alt 370 program
ⓘ
reentry system and electronics upgrades ⓘ |
| associatedProgram | U.S. Navy Strategic Systems Program ⓘ |
| classification | highly classified design details ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| deliverySystem | ballistic missile reentry vehicle ⓘ |
| deployedOn | Ohio-class ballistic missile submarine ⓘ |
| deploymentPlatform |
Trident II SLBM
ⓘ
linked to:
Trident II D5 missile
submarine-launched ballistic missile ⓘ |
| designer |
Los Alamos National Laboratory
ⓘ
linked to:
Los Alamos Laboratory
|
| designFeature |
MIRV-compatible
ⓘ
compact reentry vehicle design ⓘ |
| detonationType | airburst or surface burst (mission-dependent) ⓘ |
| developmentPeriod |
1970s
ⓘ
1980s ⓘ |
| enteredService | late 1980s ⓘ |
| governingAgency |
National Nuclear Security Administration
ⓘ
U.S. Department of Energy ⓘ |
| guidanceOfCarrierMissile | inertial guidance with stellar update (Trident II D5) ⓘ |
| nuclearWeaponType | two-stage thermonuclear ⓘ |
| propulsionOfCarrierMissile | solid-fueled ballistic missile ⓘ |
| rangeClassOfCarrierMissile | submarine-launched intercontinental ballistic range ⓘ |
| relativeSizeComparedToW76 | more compact reentry body ⓘ |
| relativeYieldComparedToW76 | higher ⓘ |
| role |
sea-based leg of U.S. nuclear triad
ⓘ
strategic nuclear deterrent ⓘ |
| safetyFeature | modern nuclear safety mechanisms ⓘ |
| serviceBranch | United States Navy ⓘ |
| serviceStatus | in service ⓘ |
| storageLocationType | U.S. Navy strategic weapons facilities ⓘ |
| strategicDoctrineContext | Cold War and post–Cold War U.S. nuclear posture ⓘ |
| strategicImportance | key component of U.S. sea-based nuclear deterrent ⓘ |
| strategicUse |
counterforce targeting
ⓘ
countervalue targeting ⓘ |
| successorTo | W76 thermonuclear warhead ⓘ |
| treatyRelevance |
New START Treaty
ⓘ
START treaties ⓘ |
| usedAs | MIRV payload on Trident II D5 ⓘ |
| usedIn |
Trident II D5
ⓘ
linked to:
Trident II D5 missile
|
| warheadFamily | U.S. W-series nuclear warheads ⓘ |
| warheadType | MIRV warhead ⓘ |
| yield | approximately 475 kilotons of TNT ⓘ |
| yieldClass | high-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: W88 thermonuclear warhead Description of subject: The W88 thermonuclear warhead is a compact, high-yield U.S. nuclear warhead designed for deployment on submarine-launched ballistic missiles.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Trident II D5 missile
linked to: W88 thermonuclear warhead
linked to: W88 thermonuclear warhead
linked to: W88 thermonuclear warhead
linked to: W88 thermonuclear warhead