Barney Crews, U.S. Falcon Inc. avionics technician, installs a new power distribution panel into an AH-64D Apache trainer that is being updated to an AH-64E at Ft. Eusits, Va., June 13, 2016. The Apache trainers are being updated for the 128th Aviation Brigade’s Advanced Individual Training programs. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)