W50 warhead
E866414
The W50 warhead is a compact, high-yield thermonuclear warhead developed by the United States during the Cold War, primarily used on the MGM-31 Pershing missile system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| W50 warhead canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10223497 — 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: W50 warhead Context triple: [Nuclear bombs of the United States, hasPart, W50 warhead]
-
A.
W56 warhead
The W56 warhead is a high-yield thermonuclear warhead developed by the United States during the Cold War, primarily deployed on Minuteman intercontinental ballistic missiles.
-
B.
W62 warhead
The W62 warhead is a U.S. thermonuclear warhead developed during the Cold War for use on intercontinental ballistic missiles, notably the Minuteman III.
-
C.
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.
-
D.
W78 warhead
The W78 warhead is an American MIRV-capable thermonuclear warhead designed for deployment on intercontinental ballistic missiles.
-
E.
W49 warhead
The W49 warhead was an early high-yield thermonuclear warhead developed by the United States during the Cold War for use in ballistic missile systems.
- 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: W50 warhead Target entity description: The W50 warhead is a compact, high-yield thermonuclear warhead developed by the United States during the Cold War, primarily used on the MGM-31 Pershing missile system.
-
A.
W56 warhead
The W56 warhead is a high-yield thermonuclear warhead developed by the United States during the Cold War, primarily deployed on Minuteman intercontinental ballistic missiles.
-
B.
W62 warhead
The W62 warhead is a U.S. thermonuclear warhead developed during the Cold War for use on intercontinental ballistic missiles, notably the Minuteman III.
-
C.
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.
-
D.
W78 warhead
The W78 warhead is an American MIRV-capable thermonuclear warhead designed for deployment on intercontinental ballistic missiles.
-
E.
W49 warhead
The W49 warhead was an early high-yield thermonuclear warhead developed by the United States during the Cold War for use in ballistic missile systems.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
US nuclear weapon
ⓘ
thermonuclear warhead ⓘ |
| armsControlContext | Intermediate-Range Nuclear Forces Treaty NERFINISHED ⓘ |
| associatedWithTreaty | INF Treaty NERFINISHED ⓘ |
| compatibleMissile |
Pershing IA
NERFINISHED
ⓘ
Pershing II NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| deployedAsPartOf | NATO nuclear sharing posture ⓘ |
| deploymentCountry |
United States
NERFINISHED
ⓘ
West Germany NERFINISHED ⓘ |
| deploymentPlatform | mobile land-based missile ⓘ |
| designedFor |
counterforce missions
ⓘ
high accuracy delivery ⓘ short flight time ⓘ |
| designType |
boosted fission primary
ⓘ
two-stage thermonuclear ⓘ |
| developedBy | United States NERFINISHED ⓘ |
| developedFor | MGM-31 Pershing NERFINISHED ⓘ |
| diameter | approximately 13 inches ⓘ |
| era | Cold War ⓘ |
| hasComponent |
primary stage
ⓘ
secondary stage ⓘ |
| inService |
1960s
ⓘ
1970s ⓘ 1980s ⓘ |
| introduced | 1960s ⓘ |
| isCompact | true ⓘ |
| length | approximately 44 inches ⓘ |
| nuclearWeaponFamily | US tactical nuclear warheads ⓘ |
| retired |
early 1990s
ⓘ
late 1980s ⓘ |
| role |
tactical nuclear weapon
ⓘ
theater nuclear weapon ⓘ |
| safetyFeature |
environmental sensing device
ⓘ
permissive action link NERFINISHED ⓘ |
| serviceBranch | United States Army ⓘ |
| status | retired ⓘ |
| usedDuring | Cold War nuclear deterrence ⓘ |
| usedInSystem | Pershing missile system NERFINISHED ⓘ |
| usedOn |
MGM-31 Pershing
NERFINISHED
ⓘ
MGM-31A Pershing IA NERFINISHED ⓘ MGM-31B Pershing II NERFINISHED ⓘ |
| warheadNumbering | W50 ⓘ |
| weight | approximately 410 pounds ⓘ |
| yield |
200 kilotons of TNT
ⓘ
400 kilotons of TNT ⓘ 60 kilotons of TNT ⓘ |
| yieldType | selectable 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: W50 warhead Description of subject: The W50 warhead is a compact, high-yield thermonuclear warhead developed by the United States during the Cold War, primarily used on the MGM-31 Pershing missile system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.