A U.S. Air Force F-15 Eagle assigned to the 44th Fighter Squadron taxies down the flightline April 19, 2017, at Kadena Air Base, Japan. Kadena is the Keystone of the Pacific, with F-15s capable of supporting multiple missions and exercises throughout Kadena’s Pacific area of responsibility. (U.S. Air Force photo by Senior Airman Lynette M. Rolen)