A ƙarshen 1941, Furutaka an sanya shi zuwa Rukunin Jirgin Ruwa na 6 Rear Admiral Aritomo Goto a cikin Jirgin Ruwa na Farko tare da jirgin ruwa Aoba, Kako da Kinugasa. A lokacin harin Pearl Harbor, rukunin ya shiga cikin goyon bayan mamayewar Guam. Tambaya: Menene ɗayan manyan dalilan Rukunin Jirgin Ruwa na 6 wanda aka tallafawa a cikin 1941?
mamayewar Guam