U.S. Air Force Airman 1st Class Ian Wilkerson, 718th Aircraft Maintenance Squadron communication navigation specialist, checks the radio systems of an HH-60G Pave Hawk helicopter during a pre-flight inspection, April 26, 2016, at Kadena Air Base, Japan. Maintenance and inspections are conducted before and after every mission to ensure aircraft safety and longevity. (U.S. Air Force photo by Naoto Anazawa)