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The Shōkaku-class (翔鶴型, Shōkaku-gata) were a class of two aircraft carriers built for the Imperial Japanese Navy (IJN) in the late 1930s. Completed shortly before the start of the Pacific War in 1941, the Shōkaku and Zuikaku were called "arguably the best aircraft carriers in the world" when built.^[​1] With the exception of the Battle of Midway, they participated in every major naval action of the Pacific War, including the attack on Pearl Harbor, the Indian Ocean Raid, the Battle of the Coral Sea, and the Guadalcanal Campaign.