Operation Z (Pearl Harbor attack plan)

E489685

Japanese military plan military operation naval air operation

Operation Z was the Imperial Japanese Navy’s meticulously planned surprise air assault on the U.S. Pacific Fleet at Pearl Harbor in December 1941, intended to cripple American naval power at the outset of the Pacific War.

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Observed surface forms (3)

Surface form	Occurrences
Attack on Pearl Harbor (support operations)	1
Attack on Pearl Harbor operations (support role, 1941)	1
Attack on Pearl Harbor operations area (cover forces)	1

Statements (52)

Predicate	Object
instanceOf	Japanese military plan ⓘ military operation ⓘ naval air operation ⓘ
airStrikePlanner	Commander Minoru Genda NERFINISHED ⓘ
alsoKnownAs	Hawaii Operation NERFINISHED ⓘ Hawaiian Operation NERFINISHED ⓘ Pearl Harbor attack plan NERFINISHED ⓘ
approvedBy	Imperial General Headquarters NERFINISHED ⓘ
belligerent	Japan ⓘ surface form: Empire of Japan
commandedBy	Admiral Isoroku Yamamoto NERFINISHED ⓘ
consequence	brought the United States into World War II ⓘ galvanized American public opinion ⓘ led to U.S. declaration of war on Japan ⓘ
countryOfOrigin	Empire of Japan NERFINISHED ⓘ
date	1941-12-07 ⓘ
firstWaveObjective	attack battleships and airfields ⓘ
hasObjective	cripple the U.S. Pacific Fleet ⓘ secure Japanese freedom of action in Southeast Asia and the Pacific ⓘ
historicalSignificance	marked the beginning of large-scale carrier warfare in the Pacific ⓘ
includedWaveCount	2 ⓘ
inspiredBy	British attack on Taranto ⓘ
intelligencePlanner	Commander Takijiro Onishi NERFINISHED ⓘ
involvedAircraftType	Aichi D3A dive bomber NERFINISHED ⓘ Mitsubishi A6M Zero fighter NERFINISHED ⓘ Nakajima B5N torpedo bomber NERFINISHED ⓘ
involvedUnit	Akagi aircraft carrier NERFINISHED ⓘ First Air Fleet NERFINISHED ⓘ Hiryu aircraft carrier NERFINISHED ⓘ Japanese fleet submarines ⓘ Japanese midget submarines ⓘ Kaga aircraft carrier NERFINISHED ⓘ Shokaku aircraft carrier NERFINISHED ⓘ Soryu aircraft carrier NERFINISHED ⓘ Zuikaku aircraft carrier NERFINISHED ⓘ
location	Pearl Harbor, Oahu, Territory of Hawaii, United States NERFINISHED ⓘ
navalTaskForceCommander	Vice Admiral Chuichi Nagumo NERFINISHED ⓘ
notableFeature	long-range carrier strike launched in radio silence ⓘ use of shallow-water torpedoes modified for Pearl Harbor ⓘ
opposedBy	United States NERFINISHED ⓘ
partOf	Pacific War ⓘ World War II ⓘ
plannedBy	Imperial Japanese Navy NERFINISHED ⓘ
preparationStartDate	1941-01 ⓘ
result	tactical Japanese victory ⓘ
secondWaveObjective	attack remaining ships and facilities ⓘ
tactic	carrier-based air strike ⓘ surprise attack ⓘ two-wave air assault ⓘ
targeted	Pearl Harbor naval base NERFINISHED ⓘ U.S. Army Air Forces airfields on Oahu ⓘ U.S. Pacific Fleet NERFINISHED ⓘ
usedForce	Kido Butai (First Air Fleet) NERFINISHED ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Combined Fleet of the Imperial Japanese Navy → notableOperation → Operation Z (Pearl Harbor attack plan) ⓘ

Japanese carrier Zuiho → participatedIn → Operation Z (Pearl Harbor attack plan) ⓘ

this entity surface form: Attack on Pearl Harbor operations (support role, 1941)

Kongō → participatedIn → Operation Z (Pearl Harbor attack plan) ⓘ

this entity surface form: Attack on Pearl Harbor (support operations)

Japanese cruiser Mikuma → participatedIn → Operation Z (Pearl Harbor attack plan) ⓘ

this entity surface form: Attack on Pearl Harbor operations area (cover forces)