Martin B-26 Marauder
E188806
The Martin B-26 Marauder was an American twin‑engine medium bomber used extensively by the U.S. Army Air Forces and Allies during World War II, noted for its speed, heavy armament, and demanding flight characteristics.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Martin B-26 Marauder canonical | 5 |
| B-26 Marauder | 1 |
| B-26 Marauder bomber | 1 |
| Martin B-26 Marauder bomber | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1579461 — 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: Martin B-26 Marauder Context triple: [Cactus Air Force, operatedAircraft, Martin B-26 Marauder]
-
A.
North American B-25B Mitchell
The North American B-25B Mitchell is a twin‑engine medium bomber used by the United States during World War II, most famously in the 1942 Doolittle Raid on Japan.
-
B.
Douglas A-26 Invader
The Douglas A-26 Invader is a World War II–era American twin‑engine light bomber and ground-attack aircraft that later saw extensive service in the Korean and Vietnam Wars.
-
C.
Curtiss C-46 Commando
The Curtiss C-46 Commando is a large American twin-engine transport aircraft widely used by the U.S. military in World War II for high-altitude, long-range cargo and troop operations.
-
D.
Republic P-47 Thunderbolt
The Republic P-47 Thunderbolt was a rugged, heavily armed American World War II fighter-bomber renowned for its durability, high-altitude performance, and effective ground-attack capabilities.
-
E.
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.
- 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: Martin B-26 Marauder Target entity description: The Martin B-26 Marauder was an American twin‑engine medium bomber used extensively by the U.S. Army Air Forces and Allies during World War II, noted for its speed, heavy armament, and demanding flight characteristics.
-
A.
North American B-25B Mitchell
The North American B-25B Mitchell is a twin‑engine medium bomber used by the United States during World War II, most famously in the 1942 Doolittle Raid on Japan.
-
B.
Douglas A-26 Invader
The Douglas A-26 Invader is a World War II–era American twin‑engine light bomber and ground-attack aircraft that later saw extensive service in the Korean and Vietnam Wars.
-
C.
Curtiss C-46 Commando
The Curtiss C-46 Commando is a large American twin-engine transport aircraft widely used by the U.S. military in World War II for high-altitude, long-range cargo and troop operations.
-
D.
Republic P-47 Thunderbolt
The Republic P-47 Thunderbolt was a rugged, heavily armed American World War II fighter-bomber renowned for its durability, high-altitude performance, and effective ground-attack capabilities.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
World War II aircraft
ⓘ
medium bomber ⓘ twin‑engine aircraft ⓘ |
| armament | multiple .50 caliber machine guns ⓘ |
| bombLoad | up to 4,000 lb of bombs ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 7 ⓘ |
| designDate | 1939 ⓘ |
| engineType | Pratt & Whitney R-2800 Double Wasp ⓘ |
| enteredServiceWith |
United States Army Air Corps
ⓘ
surface form:
US Army Air Corps
|
| firstFlight | 1940-11-25 ⓘ |
| fuselageType | all‑metal monocoque ⓘ |
| improvement | later variants had increased wingspan and larger tailplane to improve handling ⓘ |
| introduced | 1941 ⓘ |
| landingGear | tricycle landing gear ⓘ |
| manufacturer | Glenn L. Martin Company ⓘ |
| maxSpeed | about 315 mph ⓘ |
| nickName |
Marauder
ⓘ
Widowmaker ⓘ |
| notableFeature |
demanding takeoff and landing characteristics
ⓘ
high wing loading ⓘ short wingspan relative to weight ⓘ |
| numberBuilt | 5288 ⓘ |
| operatorTrainingIssue | initially high accident rate in training ⓘ |
| powerplant | 2 × Pratt & Whitney R-2800 radial engines ⓘ |
| primaryUser |
Eighth Air Force
ⓘ
Ninth Air Force ⓘ |
| range | about 1,100 miles ⓘ |
| retired | 1945 ⓘ |
| role |
ground attack aircraft
ⓘ
medium bomber ⓘ |
| serviceCeiling | about 21,700 ft ⓘ |
| successor |
Douglas A-26 Invader
ⓘ
surface form:
Martin B-26 Invader (designation confusion; different aircraft)
|
| survivabilityRecord | one of the lowest loss rates of any Allied bomber in World War II ⓘ |
| tailConfiguration | single vertical stabilizer ⓘ |
| theaterOfOperations |
European Theater of Operations, United States Army
ⓘ
surface form:
European Theater of Operations
Mediterranean Theater of Operations ⓘ Pacific Theater of Operations ⓘ |
| usedBy |
Free French Forces
ⓘ
surface form:
Free French Air Forces
Royal Air Force ⓘ Royal Australian Air Force ⓘ South African Air Force ⓘ United States Army Air Forces ⓘ |
| usedFor |
anti‑shipping missions
ⓘ
maritime strike ⓘ tactical bombing ⓘ |
| 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: Martin B-26 Marauder Description of subject: The Martin B-26 Marauder was an American twin‑engine medium bomber used extensively by the U.S. Army Air Forces and Allies during World War II, noted for its speed, heavy armament, and demanding flight characteristics.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
B-26 Marauder
this entity surface form:
B-26 Marauder bomber
this entity surface form:
Martin B-26 Marauder bomber