Watch Battle of Okinawa (1973) (1971) HD Full Movie Free on SolarMovie. Watch Battle of Okinawa (1973) (1971) online free. Told from the Japanese perspective, this war drama captures the events of World War II's Battle of O...Told from the Japanese perspective, this war drama captures the events of World War II's Battle of Okinawa - a massive amphibious assault by U.S. troops that left more than 150,000 Japanese civilians dead.