Japan Okinawa Explainer

FILE - In this photo provided by the U.S. Coast Guard, U.S. invasion forces establish a beachhead on Okinawa island, about 350 miles from the Japanese mainland, on April 13, 1945. Okinawa on Sunday, May 15, 2022, marks the 50th anniversary of its return to Japan on May 15, 1972, which ended 27 years of U.S. rule after one of the bloodiest battles of World War II was fought on the southern Japanese island.