Mark 28 nuclear bomb
E871134
The Mark 28 was a high-yield thermonuclear gravity bomb developed by the United States during the Cold War and widely deployed on various strategic and tactical aircraft.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark 28 nuclear bomb canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10223472 — 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 28 nuclear bomb Context triple: [Nuclear bombs of the United States, hasPart, Mark 28 nuclear bomb]
-
A.
Mark 24 nuclear bomb
The Mark 24 nuclear bomb was a high-yield, thermonuclear weapon developed and deployed by the United States during the early Cold War era.
-
B.
Mark 21 nuclear bomb
The Mark 21 nuclear bomb was a high-yield thermonuclear weapon developed and deployed by the United States during the early Cold War era.
-
C.
Mark 27 nuclear bomb
The Mark 27 nuclear bomb was a high-yield thermonuclear weapon developed and deployed by the United States during the early Cold War era.
-
D.
Mark 8 nuclear bomb
The Mark 8 was an early American nuclear bomb design, notable as a gun-type fission weapon developed in the early Cold War era.
-
E.
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.
- 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 28 nuclear bomb Target entity description: The Mark 28 was a high-yield thermonuclear gravity bomb developed by the United States during the Cold War and widely deployed on various strategic and tactical aircraft.
-
A.
Mark 24 nuclear bomb
The Mark 24 nuclear bomb was a high-yield, thermonuclear weapon developed and deployed by the United States during the early Cold War era.
-
B.
Mark 21 nuclear bomb
The Mark 21 nuclear bomb was a high-yield thermonuclear weapon developed and deployed by the United States during the early Cold War era.
-
C.
Mark 27 nuclear bomb
The Mark 27 nuclear bomb was a high-yield thermonuclear weapon developed and deployed by the United States during the early Cold War era.
-
D.
Mark 8 nuclear bomb
The Mark 8 was an early American nuclear bomb design, notable as a gun-type fission weapon developed in the early Cold War era.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
gravity bomb
ⓘ
thermonuclear bomb ⓘ |
| alsoKnownAs | B28 nuclear bomb NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| deliveryPlatform |
strategic bomber
ⓘ
tactical fighter-bomber ⓘ |
| deployedOn |
A-3 Skywarrior
NERFINISHED
ⓘ
A-4 Skyhawk NERFINISHED ⓘ A-5 Vigilante NERFINISHED ⓘ A-6 Intruder NERFINISHED ⓘ A-7 Corsair II NERFINISHED ⓘ B-47 Stratojet NERFINISHED ⓘ B-52 Stratofortress NERFINISHED ⓘ B-58 Hustler NERFINISHED ⓘ F-100 Super Sabre NERFINISHED ⓘ F-101 Voodoo NERFINISHED ⓘ F-104 Starfighter NERFINISHED ⓘ F-105 Thunderchief NERFINISHED ⓘ F-111 Aardvark NERFINISHED ⓘ F-4 Phantom II NERFINISHED ⓘ |
| deploymentMode |
free-fall
ⓘ
laydown delivery ⓘ retarded-fall ⓘ |
| deploymentRole | air-dropped bomb ⓘ |
| designedForMission |
high-altitude delivery
ⓘ
low-altitude delivery ⓘ strategic strike ⓘ tactical strike ⓘ |
| designType | two-stage thermonuclear ⓘ |
| developedBy | United States NERFINISHED ⓘ |
| developedFor | United States Air Force NERFINISHED ⓘ |
| era | Cold War ⓘ |
| nuclearWeaponType |
strategic nuclear weapon
ⓘ
tactical nuclear weapon ⓘ |
| partOf |
NATO nuclear sharing arrangements
NERFINISHED
ⓘ
United States nuclear arsenal NERFINISHED ⓘ |
| status | retired ⓘ |
| usedBy |
NATO member states
ⓘ
North Atlantic Treaty Organization NERFINISHED ⓘ United States Air Force ⓘ United States Navy ⓘ |
| usedInConflict | Cold War NERFINISHED ⓘ |
| usedInDoctrine |
flexible response
ⓘ
nuclear deterrence ⓘ |
| warheadType | thermonuclear warhead ⓘ |
| weaponFamily | U.S. Mark-series nuclear bombs NERFINISHED ⓘ |
| 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: Mark 28 nuclear bomb Description of subject: The Mark 28 was a high-yield thermonuclear gravity bomb developed by the United States during the Cold War and widely deployed on various strategic and tactical aircraft.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.