B61 nuclear bomb
E543505
The B61 nuclear bomb is a U.S. thermonuclear gravity bomb that has served as a key component of NATO and U.S. strategic and tactical nuclear arsenals since the 1960s.
All labels observed (2)
| Label | Occurrences |
|---|---|
| B61 nuclear bomb canonical | 3 |
| B61 Mod 12 nuclear bomb | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5782501 — 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: B61 nuclear bomb Context triple: [Nuclear Weapons Life Extension Programs, appliesTo, B61 nuclear bomb]
-
A.
B53 nuclear bomb
The B53 nuclear bomb was a high-yield, Cold War–era U.S. thermonuclear gravity bomb designed for strategic deterrence and bunker-busting missions.
-
B.
B83 nuclear bomb
The B83 nuclear bomb is a high-yield U.S. thermonuclear gravity bomb designed for strategic deployment by bomber aircraft.
-
C.
B41 nuclear bomb
The B41 nuclear bomb was a high-yield, Cold War–era American thermonuclear gravity bomb and one of the most powerful nuclear weapons ever deployed by the United States.
-
D.
W76 thermonuclear warhead
The W76 thermonuclear warhead is a U.S. Navy submarine-launched ballistic missile warhead designed for strategic nuclear deterrence, featuring a compact design and variable-yield capabilities.
-
E.
BLU-109 bomb
The BLU-109 bomb is a U.S.-designed hardened-penetrator warhead used to destroy reinforced or deeply buried targets, often integrated into precision-guided munition 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: B61 nuclear bomb Target entity description: The B61 nuclear bomb is a U.S. thermonuclear gravity bomb that has served as a key component of NATO and U.S. strategic and tactical nuclear arsenals since the 1960s.
-
A.
B53 nuclear bomb
The B53 nuclear bomb was a high-yield, Cold War–era U.S. thermonuclear gravity bomb designed for strategic deterrence and bunker-busting missions.
-
B.
B83 nuclear bomb
The B83 nuclear bomb is a high-yield U.S. thermonuclear gravity bomb designed for strategic deployment by bomber aircraft.
-
C.
B41 nuclear bomb
The B41 nuclear bomb was a high-yield, Cold War–era American thermonuclear gravity bomb and one of the most powerful nuclear weapons ever deployed by the United States.
-
D.
W76 thermonuclear warhead
The W76 thermonuclear warhead is a U.S. Navy submarine-launched ballistic missile warhead designed for strategic nuclear deterrence, featuring a compact design and variable-yield capabilities.
-
E.
BLU-109 bomb
The BLU-109 bomb is a U.S.-designed hardened-penetrator warhead used to destroy reinforced or deeply buried targets, often integrated into precision-guided munition systems.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | thermonuclear gravity bomb ⓘ |
| armsControlRelevance | subject of NATO nuclear posture debates ⓘ |
| B61-12Features | precision guidance tail kit ⓘ |
| B61-12Role | consolidation of multiple earlier B61 variants ⓘ |
| compatibleAircraft |
B-2 Spirit
NERFINISHED
ⓘ
B-52 Stratofortress NERFINISHED ⓘ F-15E Strike Eagle NERFINISHED ⓘ F-16 Fighting Falcon NERFINISHED ⓘ F-35A Lightning II (certification planned/ongoing) NERFINISHED ⓘ PA-200 Tornado NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| deployedInRegion |
Europe
NERFINISHED
ⓘ
Turkey NERFINISHED ⓘ United States NERFINISHED ⓘ |
| deploymentMode | air-dropped gravity bomb ⓘ |
| designer | Los Alamos National Laboratory NERFINISHED ⓘ |
| diameter | approximately 33 cm ⓘ |
| guidance |
tail-kit guided (B61-12)
ⓘ
unguided (legacy variants) ⓘ |
| hasVariant |
B61-0
ⓘ
B61-1 NERFINISHED ⓘ B61-10 NERFINISHED ⓘ B61-11 ⓘ B61-12 NERFINISHED ⓘ B61-3 NERFINISHED ⓘ B61-4 NERFINISHED ⓘ B61-7 NERFINISHED ⓘ |
| introducedInDecade | 1960s ⓘ |
| length | approximately 3.58 m ⓘ |
| manufacturer | U.S. Department of Energy nuclear weapons complex NERFINISHED ⓘ |
| modernizationProgram | B61-12 Life Extension Program NERFINISHED ⓘ |
| partOf |
NATO nuclear sharing arrangements
ⓘ
U.S. nuclear arsenal ⓘ |
| primaryRole |
strategic nuclear weapon
ⓘ
tactical nuclear weapon ⓘ |
| safetyFeatures |
insensitive high explosives
ⓘ
multiple environmental sensing devices ⓘ permissive action link NERFINISHED ⓘ |
| serviceEntry | 1968 ⓘ |
| storageType | underground vaults at NATO air bases ⓘ |
| strategicSignificance | central element of U.S. extended nuclear deterrence in Europe ⓘ |
| usedBy |
NATO member states under nuclear sharing
ⓘ
North Atlantic Treaty Organization NERFINISHED ⓘ United States Air Force ⓘ |
| warheadType | two-stage thermonuclear ⓘ |
| weight | approximately 320 kg ⓘ |
| 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: B61 nuclear bomb Description of subject: The B61 nuclear bomb is a U.S. thermonuclear gravity bomb that has served as a key component of NATO and U.S. strategic and tactical nuclear arsenals since the 1960s.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
B61 Mod 12 nuclear bomb