Mark 15 nuclear bomb
E861280
The Mark 15 nuclear bomb was an early U.S. thermonuclear weapon deployed in the 1950s, notable as one of the first lightweight, high-yield hydrogen bombs in the American arsenal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark 15 nuclear bomb canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10223466 — 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 15 nuclear bomb Context triple: [Nuclear bombs of the United States, hasPart, Mark 15 nuclear bomb]
-
A.
Mark 5 nuclear bomb
The Mark 5 nuclear bomb was an early American fission weapon developed in the 1950s, notable for its relatively compact, gun-type design and use in various U.S. military delivery systems during the early Cold War.
-
B.
Mark 1 nuclear bomb
The Mark 1 nuclear bomb, also known as "Little Boy," was the first nuclear weapon used in warfare, dropped by the United States on Hiroshima, Japan, in 1945.
-
C.
Mark 18 nuclear bomb
The Mark 18 nuclear bomb was an early high-yield thermonuclear weapon developed and deployed by the United States during the Cold War.
-
D.
Mark 13 nuclear bomb
The Mark 13 nuclear bomb was an early American air-dropped nuclear weapon developed during the Cold War era as part of the United States' first generation of strategic nuclear armaments.
-
E.
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.
- 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 15 nuclear bomb Target entity description: The Mark 15 nuclear bomb was an early U.S. thermonuclear weapon deployed in the 1950s, notable as one of the first lightweight, high-yield hydrogen bombs in the American arsenal.
-
A.
Mark 5 nuclear bomb
The Mark 5 nuclear bomb was an early American fission weapon developed in the 1950s, notable for its relatively compact, gun-type design and use in various U.S. military delivery systems during the early Cold War.
-
B.
Mark 1 nuclear bomb
The Mark 1 nuclear bomb, also known as "Little Boy," was the first nuclear weapon used in warfare, dropped by the United States on Hiroshima, Japan, in 1945.
-
C.
Mark 18 nuclear bomb
The Mark 18 nuclear bomb was an early high-yield thermonuclear weapon developed and deployed by the United States during the Cold War.
-
D.
Mark 13 nuclear bomb
The Mark 13 nuclear bomb was an early American air-dropped nuclear weapon developed during the Cold War era as part of the United States' first generation of strategic nuclear armaments.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
hydrogen bomb
ⓘ
thermonuclear weapon ⓘ |
| associatedWith | U.S. hydrogen bomb development program ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| deliveryMethod | air-dropped ⓘ |
| deploymentStart | 1950s ⓘ |
| designedAs | strategic thermonuclear bomb ⓘ |
| designedToBe | aircraft-deliverable ⓘ |
| designType | two-stage thermonuclear design ⓘ |
| developedBy | United States NERFINISHED ⓘ |
| developedFor | United States Air Force NERFINISHED ⓘ |
| era | Cold War ⓘ |
| followedBy | more advanced lightweight thermonuclear bombs ⓘ |
| hasVariant |
Mark 15 Mod 1
NERFINISHED
ⓘ
Mark 15 Mod 2 ⓘ Mark 15 Mod 3 NERFINISHED ⓘ |
| isEarlyModelOf | U.S. thermonuclear weapons ⓘ |
| notableFor | being one of the first lightweight high-yield hydrogen bombs in the U.S. arsenal ⓘ |
| partOf | U.S. nuclear weapons stockpile ⓘ |
| precededBy | earlier fission and boosted-fission U.S. nuclear bombs ⓘ |
| role | strategic deterrent ⓘ |
| serviceBranch | United States Air Force ⓘ |
| status | retired ⓘ |
| technology | staged thermonuclear fusion ⓘ |
| usedAsBasisFor |
B41 nuclear bomb
NERFINISHED
ⓘ
TX-15 derivatives ⓘ |
| usedIn | Strategic bombing role ⓘ |
| weaponType | gravity bomb ⓘ |
| weightClass | lightweight for its yield ⓘ |
| 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: Mark 15 nuclear bomb Description of subject: The Mark 15 nuclear bomb was an early U.S. thermonuclear weapon deployed in the 1950s, notable as one of the first lightweight, high-yield hydrogen bombs in the American arsenal.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.