Colombian Air Force Senior Airman Julian Gutierrez Pedroza, Kfir fighter jet crew chief, signals to a Kfir fighter pilot during pre-flight inspections at Davis-Monthan Air Force Base, Ariz., July 7, 2018. The Colombian Air Force will be trained with the Arizona Air National Guard’s 162nd Wing and Davis-Monthan Air Force Base’s 354th Fighter Squadron in preparation for Red Flag 18-3. (U.S. Air Force photo by Staff Sgt. Angela Ruiz)