Fifth Air Force, Air Support Command leadership visit Misawa, Chitose Published Aug. 27, 2020 By Staff Sgt. Grace Nichols 5th Air Force MISAWA AIR BASE, Japan -- Japan Air Self Defense Force Air Support Command vice commander, Maj Gen. Koji Imaki, and U.S. Air Force Fifth Air Force vice commander, Brig Gen. Leonard Kosinski, visited Misawa Air Base, Japan, and Chitose Air Base Japan, Aug. 24 through 26, 2020, to discuss strengthening bilateral operations.