First Air Fleet
E8220
The First Air Fleet was the Imperial Japanese Navy’s main carrier strike force during World War II, responsible for major operations including the attack on Pearl Harbor.
All labels observed (3)
| Label | Occurrences |
|---|---|
| First Air Fleet canonical | 15 |
| Combined Air Fleet | 1 |
| First Air Fleet (Kido Butai) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T75090 — 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: First Air Fleet Context triple: [Akagi, fleetFlagshipOf, First Air Fleet]
-
A.
Polish Air Force
The Polish Air Force is the aerial warfare branch of Poland’s armed forces, historically noted for its resistance during World War II and its later integration into NATO air operations.
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B.
Imperial Japanese Army Air Service
The Imperial Japanese Army Air Service was the aviation branch of Japan's army responsible for military air operations before and during World War II.
-
C.
Allied Expeditionary Air Force
The Allied Expeditionary Air Force was the combined air command of the Western Allies in northwest Europe during World War II, coordinating tactical air operations in support of the D-Day landings and subsequent campaigns.
-
D.
Yugoslav Royal Air Force
The Yugoslav Royal Air Force was the aerial warfare branch of the Kingdom of Yugoslavia’s armed forces, active before and during the early stages of World War II.
-
E.
French Air Force
The French Air Force is the aerial warfare branch of France’s armed forces, responsible for air defense, power projection, and support operations in national and international missions.
- 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: First Air Fleet Target entity description: The First Air Fleet was the Imperial Japanese Navy’s main carrier strike force during World War II, responsible for major operations including the attack on Pearl Harbor.
-
A.
Polish Air Force
The Polish Air Force is the aerial warfare branch of Poland’s armed forces, historically noted for its resistance during World War II and its later integration into NATO air operations.
-
B.
Imperial Japanese Army Air Service
The Imperial Japanese Army Air Service was the aviation branch of Japan's army responsible for military air operations before and during World War II.
-
C.
Allied Expeditionary Air Force
The Allied Expeditionary Air Force was the combined air command of the Western Allies in northwest Europe during World War II, coordinating tactical air operations in support of the D-Day landings and subsequent campaigns.
-
D.
Yugoslav Royal Air Force
The Yugoslav Royal Air Force was the aerial warfare branch of the Kingdom of Yugoslavia’s armed forces, active before and during the early stages of World War II.
-
E.
French Air Force
The French Air Force is the aerial warfare branch of France’s armed forces, responsible for air defense, power projection, and support operations in national and international missions.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy unit
ⓘ
naval aviation formation ⓘ |
| activeFrom | 1941 ⓘ |
| activeUntil | 1944 ⓘ |
| aircraftType |
Aichi D3A dive bombers
ⓘ
Mitsubishi A6M Zero fighters ⓘ Nakajima B5N torpedo bombers ⓘ |
| alsoKnownAs | Kido Butai ⓘ |
| branch | Imperial Japanese Navy ⓘ |
| commander |
Chuichi Nagumo
ⓘ
Jisaburo Ozawa ⓘ
linked to:
Jisaburō Ozawa
|
| componentUnit |
Akagi
ⓘ
Hiryu ⓘ Kaga ⓘ Shokaku ⓘ Soryu ⓘ
linked to:
Sōryū
Zuikaku ⓘ supporting cruisers ⓘ supporting destroyers ⓘ |
| conflict | World War II ⓘ |
| country |
Empire of Japan
ⓘ
linked to:
Japan
|
| disbandedAfter | heavy losses in 1944 ⓘ |
| doctrine | mass employment of carrier air power ⓘ |
| flagship |
Akagi
ⓘ
Shokaku ⓘ |
| formedFrom |
1st Carrier Division
ⓘ
linked to:
First Carrier Division
2nd Carrier Division ⓘ 5th Carrier Division ⓘ |
| headquarters | at sea with flagship ⓘ |
| historicalSignificance | pioneered large-scale carrier task force operations ⓘ |
| nativeName |
第一航空艦隊
ⓘ
linked to:
Eleventh Air Fleet
|
| notableAction | launched surprise air attack on Pearl Harbor on 7 December 1941 ⓘ |
| notableOperation |
Attack on Pearl Harbor
ⓘ
linked to:
attack on Pearl Harbor
Battle of Midway ⓘ Battle of the Coral Sea ⓘ
linked to:
Battle of Coral Sea
Indian Ocean Raid ⓘ
linked to:
Indian Ocean raid
Operations in the Pacific War ⓘ |
| opponent |
Royal Navy
ⓘ
United States Navy ⓘ |
| parentOrganization | Imperial Japanese Navy General Staff ⓘ |
| partOf | Combined Fleet ⓘ |
| role |
carrier strike force
ⓘ
naval air offensive operations ⓘ |
| strategicObjective | achieve naval air superiority in the Pacific ⓘ |
| strength | six fleet carriers at Pearl Harbor ⓘ |
| theater |
Indian Ocean
ⓘ
Pacific Ocean ⓘ |
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: First Air Fleet Description of subject: The First Air Fleet was the Imperial Japanese Navy’s main carrier strike force during World War II, responsible for major operations including the attack on Pearl Harbor.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: First Air Fleet
subject linked to:
CV-2 (IJN internal designation, not US-style)
linked to: First Air Fleet
subject linked to:
fleet carrier Hiryu