Mark 61 nuclear bomb
E866413
The Mark 61 nuclear bomb is a U.S.-designed thermonuclear gravity bomb developed during the Cold War as part of the country's strategic and tactical nuclear arsenal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark 61 nuclear bomb canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10223478 — 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: Mark 61 nuclear bomb Context triple: [Nuclear bombs of the United States, hasPart, Mark 61 nuclear bomb]
-
A.
Mark 53 nuclear bomb
The Mark 53 was a high-yield thermonuclear gravity bomb developed by the United States during the Cold War, notable for its powerful destructive capability and deployment on strategic bombers.
-
B.
Mark 36 nuclear bomb
The Mark 36 nuclear bomb was a high-yield thermonuclear gravity bomb developed and deployed by the United States during the early Cold War era.
-
C.
Mark 39 nuclear bomb
The Mark 39 nuclear bomb was an early U.S. thermonuclear weapon deployed during the Cold War, best known for the 1961 Goldsboro incident in which two of these bombs were accidentally dropped over North Carolina, nearly causing a catastrophic detonation.
-
D.
Mark 6 nuclear bomb
The Mark 6 nuclear bomb was an early American high-yield, implosion-type nuclear weapon deployed during the early Cold War era.
-
E.
Mark 4 nuclear bomb
The Mark 4 nuclear bomb was an early U.S. post–World War II fission weapon derived from the Fat Man design and used during the early Cold War.
- 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: Mark 61 nuclear bomb Target entity description: The Mark 61 nuclear bomb is a U.S.-designed thermonuclear gravity bomb developed during the Cold War as part of the country's strategic and tactical nuclear arsenal.
-
A.
Mark 53 nuclear bomb
The Mark 53 was a high-yield thermonuclear gravity bomb developed by the United States during the Cold War, notable for its powerful destructive capability and deployment on strategic bombers.
-
B.
Mark 36 nuclear bomb
The Mark 36 nuclear bomb was a high-yield thermonuclear gravity bomb developed and deployed by the United States during the early Cold War era.
-
C.
Mark 39 nuclear bomb
The Mark 39 nuclear bomb was an early U.S. thermonuclear weapon deployed during the Cold War, best known for the 1961 Goldsboro incident in which two of these bombs were accidentally dropped over North Carolina, nearly causing a catastrophic detonation.
-
D.
Mark 6 nuclear bomb
The Mark 6 nuclear bomb was an early American high-yield, implosion-type nuclear weapon deployed during the early Cold War era.
-
E.
Mark 4 nuclear bomb
The Mark 4 nuclear bomb was an early U.S. post–World War II fission weapon derived from the Fat Man design and used during the early Cold War.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
gravity bomb
ⓘ
nuclear weapon ⓘ |
| classification |
air-delivered nuclear bomb
ⓘ
thermonuclear weapon ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| deliveryMethod | air-dropped ⓘ |
| designedAs | free-fall bomb ⓘ |
| designedBy |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
aircraft delivery
ⓘ
strategic bombing missions ⓘ tactical strike missions ⓘ |
| designedWithinProgram | U.S. nuclear weapons program ⓘ |
| era | Cold War era ⓘ |
| explosiveMechanism | nuclear fission and fusion ⓘ |
| hasComponent |
fission primary stage
ⓘ
fusion secondary stage ⓘ |
| intendedUse |
strategic targets
ⓘ
tactical battlefield targets ⓘ |
| intendedUsers |
U.S. Air Force
ⓘ
linked to:
United States Air Force
|
| nuclearWeaponType | fusion-boosted fission or thermonuclear ⓘ |
| partOf |
United States nuclear arsenal
ⓘ
United States strategic nuclear forces ⓘ
linked to:
United States nuclear triad
United States tactical nuclear forces ⓘ |
| role |
deterrence
ⓘ
strategic strike ⓘ tactical strike ⓘ |
| usedIn | Cold War ⓘ |
| warheadType | thermonuclear warhead ⓘ |
| weaponType | thermonuclear gravity bomb ⓘ |
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: Mark 61 nuclear bomb Description of subject: The Mark 61 nuclear bomb is a U.S.-designed thermonuclear gravity bomb developed during the Cold War as part of the country's strategic and tactical nuclear arsenal.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.