The significant naval battle fought in the Pacific during World War II was the Battle of Midway, occurring in June 1942. This pivotal confrontation involved the United States Navy and the Imperial Japanese Navy. The U.S. victory at Midway was a turning point in the war, significantly weakening Japan's naval capabilities. It also provided the Allies with greater strategic advantage in the Pacific theater, shifting the momentum of the conflict in favor of the United States and its allies.