B-50 Superfortress
E117797
The B-50 Superfortress was a post–World War II American strategic bomber developed from the B-29 with more powerful engines and structural improvements for long-range nuclear and reconnaissance missions.
All labels observed (4)
| Label | Occurrences |
|---|---|
| B-50 Superfortress canonical | 3 |
| B-50A | 1 |
| B-50D | 1 |
| Boeing B-50 Superfortress | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T830709 — 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: B-50 Superfortress Context triple: [B-29 Superfortress, successor, B-50 Superfortress]
-
A.
B-29 Superfortress
The B-29 Superfortress was a long-range, four-engine heavy bomber developed by the United States during World War II, notable for its advanced technology and its role in strategic bombing campaigns over Japan.
-
B.
Boeing B-17 Flying Fortress
The Boeing B-17 Flying Fortress is a four-engine American heavy bomber of World War II, renowned for its durability, long-range strategic bombing role, and extensive use in the European theater.
-
C.
Boeing B-52 Stratofortress
The Boeing B-52 Stratofortress is a long-range, subsonic strategic bomber used by the United States Air Force since the 1950s, renowned for its heavy payload capacity and exceptional longevity in service.
-
D.
Consolidated B-24 Liberator
The Consolidated B-24 Liberator was a World War II American heavy bomber known for its long range, high payload capacity, and extensive use in strategic bombing and anti-submarine roles.
-
E.
Consolidated C-87 Liberator Express
The Consolidated C-87 Liberator Express was a World War II-era American transport aircraft derived from the B-24 bomber and used primarily for long-range cargo and personnel flights.
- 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: B-50 Superfortress Target entity description: The B-50 Superfortress was a post–World War II American strategic bomber developed from the B-29 with more powerful engines and structural improvements for long-range nuclear and reconnaissance missions.
-
A.
B-29 Superfortress
The B-29 Superfortress was a long-range, four-engine heavy bomber developed by the United States during World War II, notable for its advanced technology and its role in strategic bombing campaigns over Japan.
-
B.
Boeing B-17 Flying Fortress
The Boeing B-17 Flying Fortress is a four-engine American heavy bomber of World War II, renowned for its durability, long-range strategic bombing role, and extensive use in the European theater.
-
C.
Boeing B-52 Stratofortress
The Boeing B-52 Stratofortress is a long-range, subsonic strategic bomber used by the United States Air Force since the 1950s, renowned for its heavy payload capacity and exceptional longevity in service.
-
D.
Consolidated B-24 Liberator
The Consolidated B-24 Liberator was a World War II American heavy bomber known for its long range, high payload capacity, and extensive use in strategic bombing and anti-submarine roles.
-
E.
Consolidated C-87 Liberator Express
The Consolidated C-87 Liberator Express was a World War II-era American transport aircraft derived from the B-24 bomber and used primarily for long-range cargo and personnel flights.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States bomber
ⓘ
military aircraft ⓘ strategic bomber ⓘ |
| aircraftType | four-engined heavy bomber ⓘ |
| armament |
conventional bombs
ⓘ
nuclear bombs ⓘ |
| conflict | Cold War ⓘ |
| construction | all-metal ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 8 ⓘ |
| designationBy | United States Army Air Forces ⓘ |
| developedFrom | B-29 Superfortress ⓘ |
| engineType | Pratt & Whitney R-4360 Wasp Major ⓘ |
| era | post–World War II ⓘ |
| feature |
improved landing gear
ⓘ
more powerful engines ⓘ revised tail design ⓘ strengthened airframe ⓘ |
| firstFlight | 1947-06-25 ⓘ |
| improvementOver | B-29 Superfortress ⓘ |
| introduced | 1948 ⓘ |
| landingGear | tricycle landing gear ⓘ |
| manufacturer | Boeing ⓘ |
| notableAircraft | Lucky Lady II ⓘ |
| notableVariant |
B-50 Superfortress
self-linksurface differs
ⓘ
surface form:
B-50A
B-50 Superfortress self-linksurface differs ⓘ
surface form:
B-50D
KB-50 ⓘ RB-50 ⓘ |
| numberOfEngines | 4 ⓘ |
| operator | Strategic Air Command ⓘ |
| primaryMission |
long-range nuclear delivery
ⓘ
long-range strategic bombing ⓘ |
| propulsion | piston engine ⓘ |
| record | first nonstop around-the-world flight by a bomber ⓘ |
| recordDate | 1949 ⓘ |
| retired | 1965 ⓘ |
| role |
aerial reconnaissance
ⓘ
aerial refueling tanker ⓘ nuclear strike ⓘ strategic bombing ⓘ |
| secondaryMission |
aerial refueling
ⓘ
reconnaissance ⓘ |
| serviceEntryBranch | United States Air Force ⓘ |
| status | retired ⓘ |
| successor |
B-47 Stratojet
ⓘ
Boeing B-52 Stratofortress ⓘ
surface form:
B-52 Stratofortress
|
| usedBy | United States Air Force ⓘ |
| wingConfiguration | mid-wing monoplane ⓘ |
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: B-50 Superfortress Description of subject: The B-50 Superfortress was a post–World War II American strategic bomber developed from the B-29 with more powerful engines and structural improvements for long-range nuclear and reconnaissance missions.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Wright R-3350 Duplex-Cyclone
this entity surface form:
Boeing B-50 Superfortress
this entity surface form:
B-50A
this entity surface form:
B-50D