U.S. Air Force Senior Airman Joseph Owens, 34th Aircraft Maintenance unit crew chief, watches as Maj. Matthew Olson, F-35A Lightning II pilot from Hill Air Force Base, Utah, performs pre-flight checks in an F-35A Lightning II Jan. 25, 2018, at Kadena Air Base, Japan. The theater security package program is designed to demonstrate the continuing U.S. commitment to stability and security in the region. (U.S. Air Force photo by Senior Airman Quay Drawdy)