A U.S. Soldier from the 128th Aviation Brigade, 1st Battalion, 222nd Aviation Regiment, screws a panel shut on a Boeing AH-64 Apache during an armament, electronic and avionics systems repair course at Fort Eustis, Va., Feb. 11, 2016. Soldiers assigned to the brigade are first taught using computerized instruction manuals and touch screen simulators before transitioning to using operational Apaches as they progress during an armament, electronic and avionics systems repair course. (U.S. Air Force photo by Airman 1st Class Breonna Veal)