The Battle of Okinawa was the last major battle of World War II, and one of the bloodiest. The Navy’s Fifth Fleet and more than 180,000 U.S. Army and U.S. Marine Corps troops descended on the Pacific island of Okinawa for a final push towards Japan. As a result, countless took their own lives. The Americans bore over 49,000 casualties including 12,520 killed. about 110,000 Japanese soldiers lost their lives. It’s estimated between 40,000 and 150,000 Okinawa citizens were also killed.