Imperial Japanese Army bomber aircraft
E870575
The Imperial Japanese Army bomber aircraft known by the Allied reporting name "Sally" was the Mitsubishi Ki-21, a twin-engine medium bomber widely used by Japan during the early years of World War II in campaigns across China and the Pacific.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Imperial Japanese Army bomber aircraft canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10559125 — 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: Imperial Japanese Army bomber aircraft Context triple: [Sally, appliesTo, Imperial Japanese Army bomber aircraft]
-
A.
Mitsubishi G3M bomber
The Mitsubishi G3M bomber was a Japanese twin-engine, long-range land-based bomber used extensively by the Imperial Japanese Navy during the early years of World War II.
-
B.
Imperial Japanese Navy aircraft
Imperial Japanese Navy aircraft were the naval aviation units of Japan’s pre-1945 fleet, best known for conducting the carrier-based air assault on Pearl Harbor that brought the United States into World War II.
-
C.
Japanese Mitsubishi G4M "Betty" bombers
The Japanese Mitsubishi G4M "Betty" bombers were long-range, land-based twin-engine bombers used extensively by the Imperial Japanese Navy in World War II, noted for their range, speed, and vulnerability due to lack of armor and self-sealing fuel tanks.
-
D.
Aichi D3A dive bombers
The Aichi D3A was a Japanese carrier-based dive bomber used extensively by the Imperial Japanese Navy during World War II, notably in the attack on Pearl Harbor.
-
E.
Nakajima Ki-115 Tsurugi
The Nakajima Ki-115 Tsurugi was a late-World War II Japanese single-seat, purpose-built kamikaze attack aircraft designed to be cheap, simple, and expendable.
- 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: Imperial Japanese Army bomber aircraft Target entity description: The Imperial Japanese Army bomber aircraft known by the Allied reporting name "Sally" was the Mitsubishi Ki-21, a twin-engine medium bomber widely used by Japan during the early years of World War II in campaigns across China and the Pacific.
-
A.
Mitsubishi G3M bomber
The Mitsubishi G3M bomber was a Japanese twin-engine, long-range land-based bomber used extensively by the Imperial Japanese Navy during the early years of World War II.
-
B.
Imperial Japanese Navy aircraft
Imperial Japanese Navy aircraft were the naval aviation units of Japan’s pre-1945 fleet, best known for conducting the carrier-based air assault on Pearl Harbor that brought the United States into World War II.
-
C.
Japanese Mitsubishi G4M "Betty" bombers
The Japanese Mitsubishi G4M "Betty" bombers were long-range, land-based twin-engine bombers used extensively by the Imperial Japanese Navy in World War II, noted for their range, speed, and vulnerability due to lack of armor and self-sealing fuel tanks.
-
D.
Aichi D3A dive bombers
The Aichi D3A was a Japanese carrier-based dive bomber used extensively by the Imperial Japanese Navy during World War II, notably in the attack on Pearl Harbor.
-
E.
Nakajima Ki-115 Tsurugi
The Nakajima Ki-115 Tsurugi was a late-World War II Japanese single-seat, purpose-built kamikaze attack aircraft designed to be cheap, simple, and expendable.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Army bomber aircraft
ⓘ
twin‑engine medium bomber ⓘ |
| aircraftCategory | bomber aircraft ⓘ |
| aircraftConfiguration | all‑metal construction ⓘ |
| alliedReportingName | Sally NERFINISHED ⓘ |
| armament |
defensive machine guns
ⓘ
internal bomb load ⓘ |
| countryOfOrigin | Empire of Japan NERFINISHED ⓘ |
| crew | 5 ⓘ |
| designedFor | Imperial Japanese Army requirements ⓘ |
| engineType | radial piston engine ⓘ |
| enteredMassProduction | late 1930s ⓘ |
| era |
1930s aircraft
ⓘ
World War II aircraft ⓘ |
| firstFlight | 1936 ⓘ |
| introduced | 1938 ⓘ |
| landingGear | retractable tailwheel landing gear ⓘ |
| manufacturer | Mitsubishi Heavy Industries NERFINISHED ⓘ |
| nicknamedByJapanese | Type 97 Heavy Bomber NERFINISHED ⓘ |
| notableUse |
bombing operations over China
ⓘ
early Pacific War campaigns ⓘ |
| numberOfEngines | 2 ⓘ |
| operatorType | military ⓘ |
| originatingCompany | Mitsubishi NERFINISHED ⓘ |
| primaryUser | Imperial Japanese Army Air Force NERFINISHED ⓘ |
| role |
level bomber
ⓘ
long‑range bomber ⓘ |
| serviceBranch | Imperial Japanese Army Air Service NERFINISHED ⓘ |
| status | retired ⓘ |
| successorInRole | Mitsubishi Ki-67 Hiryu NERFINISHED ⓘ |
| usedBy |
Imperial Japanese Army
NERFINISHED
ⓘ
Manchukuo Imperial Air Force NERFINISHED ⓘ Royal Thai Air Force NERFINISHED ⓘ |
| usedInConflict |
Second Sino‑Japanese War
NERFINISHED
ⓘ
World War II ⓘ |
| usedInTheater |
China theater
ⓘ
Pacific theater NERFINISHED ⓘ Southeast Asia NERFINISHED ⓘ |
| usedUntil | late stages of World War II ⓘ |
| wingConfiguration | low‑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: Imperial Japanese Army bomber aircraft Description of subject: The Imperial Japanese Army bomber aircraft known by the Allied reporting name "Sally" was the Mitsubishi Ki-21, a twin-engine medium bomber widely used by Japan during the early years of World War II in campaigns across China and the Pacific.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.