U.S. Air Force Lt. Gen. Jerry P. Martinez, U.S. Forces Japan and 5th Air Force commander, presides over the 18th Wing change of command from Brig. Gen. Barry Cornish to Brig. Gen. Case Cunningham July 10, 2017 at Kadena Air Base, Japan. The change of command is a traditional military ceremony in which the command is transferred to the incoming commander. (U.S. Air Force photo by Senior Airman John Linzmeier)