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 (2)
| Label | Occurrences |
|---|---|
| Mark 28 nuclear bomb canonical | 1 |
| Mark 28 thermonuclear bomb | 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 ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| deliveryPlatform |
strategic bomber
ⓘ
tactical fighter-bomber ⓘ |
| deployedOn |
A-3 Skywarrior
ⓘ
linked to:
Douglas A-3 Skywarrior
A-4 Skyhawk ⓘ A-5 Vigilante ⓘ
linked to:
North American A-5 Vigilante
A-6 Intruder ⓘ A-7 Corsair II ⓘ B-47 Stratojet ⓘ B-52 Stratofortress ⓘ
linked to:
Boeing B-52 Stratofortress
B-58 Hustler ⓘ
linked to:
Convair B-58 Hustler
F-100 Super Sabre ⓘ
linked to:
North American F-100 Super Sabre
F-101 Voodoo ⓘ
linked to:
McDonnell F-101 Voodoo
F-104 Starfighter ⓘ
linked to:
Lockheed F-104 Starfighter
F-105 Thunderchief ⓘ F-111 Aardvark ⓘ
linked to:
General Dynamics F-111
F-4 Phantom II ⓘ
linked to:
McDonnell F-4 Phantom II
|
| 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
ⓘ
linked to:
United States of America
|
| developedFor | United States Air Force ⓘ |
| era | Cold War ⓘ |
| nuclearWeaponType |
strategic nuclear weapon
ⓘ
tactical nuclear weapon ⓘ |
| partOf |
NATO nuclear sharing arrangements
ⓘ
linked to:
Nuclear posture of NATO
United States nuclear arsenal ⓘ
linked to:
Nuclear bombs of the United States
|
| status | retired ⓘ |
| usedBy |
NATO member states
ⓘ
North Atlantic Treaty Organization ⓘ
linked to:
NATO
United States Air Force ⓘ United States Navy ⓘ |
| usedInConflict | Cold War ⓘ |
| usedInDoctrine |
flexible response
ⓘ
nuclear deterrence ⓘ |
| warheadType | thermonuclear warhead ⓘ |
| weaponFamily | U.S. Mark-series nuclear bombs ⓘ |
| 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 (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mark 28 nuclear bomb