Rubuta ci gaba don wannan sakin layi - "Haruna" ya yi yaƙi a kusan kowane babban aikin jirgin ruwa na Pacific Theater a lokacin Yaƙin Duniya na II. Ta rufe saukar da Jafananci a Malaya
(a yau Malaysia) da Dutch East Indies (yanzu Indonesia) a cikin 1942 kafin shiga sojojin Amurka a yakin Midway da kuma lokacin yakin Guadalcanal. A cikin 1943, "Haruna" ya kasance a Truk Lagoon (Micronesia), Kure Naval Base (kusa da Hiroshima), Sasebo Naval Base (kusa da Nagasaki), da tsibirin Lingga (a cikin Indonesia na yanzu), kuma an tura shi a lokuta da dama don mayar da martani ga hare-haren jiragen sama na Amurka a kan tsibirin tsibirin Japan. "Haruna" ya shiga cikin yakin Philippine Sea da yakin Leyte Gulf a 1944, ya shiga jiragen ruwa na Amurka a karshen.