F-15 jet fighters prepare to land during a flight training at Kadena Air Base on the Okinawa island, Japan, on June 26, 1996. 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. (Photo by Itsuo Inouye/AP Photo/File)
