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. The 718th AMXS maintains military aircraft for flight to ensure safety and reliability in support of the training mission here at Kadena. (U.S. Air Force photo by Naoto Anazawa)