Second Fleet (Imperial Japanese Navy)

E255922

Imperial Japanese Navy formation fleet

The Second Fleet of the Imperial Japanese Navy was a major operational fleet formation that served as Japan’s principal mobile striking force in several key naval campaigns before and during World War II.

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All labels observed (6)

Label	Occurrences
Imperial Japanese Navy 2nd Fleet	3
Japanese 2nd Fleet	3
2nd Fleet (IJN)	1
Japanese Second Fleet	1
Second Fleet (Imperial Japanese Navy) canonical	1
第二艦隊	1

How this entity was disambiguated

This entity first appeared as the object of triple T2329412 — 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: Second Fleet (Imperial Japanese Navy)
Context triple: [IJN battleship Yamashiro, partOf, Second Fleet (Imperial Japanese Navy)]

A. Japanese 4th Fleet
The Japanese 4th Fleet was a formation of the Imperial Japanese Navy that operated primarily in the Pacific, notably tasked with defense and patrol duties among Japan’s mandated islands before and during the early stages of World War II.
B. Japanese 8th Fleet
The Japanese 8th Fleet was a major Imperial Japanese Navy formation in World War II, primarily responsible for operations in the South Pacific, including the Solomon Islands campaign.
C. Third Fleet
The Third Fleet is a major operational formation of the United States Navy responsible for naval forces and operations in the eastern and central Pacific Ocean.
D. Second Fleet (when active)
The Second Fleet (when active) is a major U.S. Navy operational fleet responsible for maritime operations and readiness in the western Atlantic Ocean.
E. Fleet Escort Force
The Fleet Escort Force is a principal operational component of Japan’s Maritime Self-Defense Force responsible for organizing and deploying escort vessels to protect Japan’s maritime interests and sea lanes.
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: Second Fleet (Imperial Japanese Navy)
Target entity description: The Second Fleet of the Imperial Japanese Navy was a major operational fleet formation that served as Japan’s principal mobile striking force in several key naval campaigns before and during World War II.

A. Japanese 4th Fleet
The Japanese 4th Fleet was a formation of the Imperial Japanese Navy that operated primarily in the Pacific, notably tasked with defense and patrol duties among Japan’s mandated islands before and during the early stages of World War II.
B. Japanese 8th Fleet
The Japanese 8th Fleet was a major Imperial Japanese Navy formation in World War II, primarily responsible for operations in the South Pacific, including the Solomon Islands campaign.
C. Third Fleet
The Third Fleet is a major operational formation of the United States Navy responsible for naval forces and operations in the eastern and central Pacific Ocean.
D. Second Fleet (when active)
The Second Fleet (when active) is a major U.S. Navy operational fleet responsible for maritime operations and readiness in the western Atlantic Ocean.
E. Fleet Escort Force
The Fleet Escort Force is a principal operational component of Japan’s Maritime Self-Defense Force responsible for organizing and deploying escort vessels to protect Japan’s maritime interests and sea lanes.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	Imperial Japanese Navy formation ⓘ fleet ⓘ
activeDuring	World War II period ⓘ pre–World War II period ⓘ
alsoKnownAs	Dai-ni Kantai ⓘ
component	aircraft carriers ⓘ battleships ⓘ destroyers ⓘ heavy cruisers ⓘ light cruisers ⓘ submarines ⓘ
conflict	Pacific War ⓘ Second Sino-Japanese War ⓘ linked to: Sino-Japanese War (1937–1945) World War II ⓘ
country	Empire of Japan ⓘ linked to: Japan
disbandedAfter	Japan’s surrender in 1945 ⓘ
doctrine	decisive battle doctrine ⓘ
engagement	Battle of Leyte Gulf ⓘ Battle of Midway ⓘ Battle of the Coral Sea ⓘ linked to: Battle of Coral Sea Battle of the Eastern Solomons ⓘ Battle of the Java Sea ⓘ Battle of the Philippine Sea ⓘ Battle of the Santa Cruz Islands ⓘ Battle of the South China Sea ⓘ Guadalcanal Campaign ⓘ linked to: Battle of Guadalcanal Philippines Campaign (1944–1945) ⓘ linked to: Battle of the Philippines (1944–1945)
garrison	various forward bases in the Pacific ⓘ
languageOfName	Japanese ⓘ
militaryBranch	naval forces ⓘ
notableCommander	Kiyohide Shima ⓘ Nobutake Kondō ⓘ Takeo Kurita ⓘ Yasuji Nagumo ⓘ
operatedBy	Imperial Japanese Navy ⓘ
partOf	Combined Fleet ⓘ
role	offensive fleet formation ⓘ principal mobile striking force ⓘ
status	disbanded ⓘ
strategicPurpose	project naval power beyond Japanese home waters ⓘ support Japanese expansion in East Asia and the Pacific ⓘ
theater	East China Sea ⓘ Indian Ocean ⓘ Pacific Ocean ⓘ South China Sea ⓘ
typeOfOperation	amphibious support operations ⓘ carrier operations ⓘ escort operations ⓘ surface combat operations ⓘ

How these facts were elicited