U.S. Air Force Tech. Sgt. Kyle Porter, a U.S. Air Force F-16 Fighting Falcon crew chief with the 187th Aircraft Maintenance Squadron, performs a routine check of flight controls before take-off Nov. 2, 2016, on the flightline at the Air Dominance Center at the 165th Airlift Wing in Savannah, Ga. (U.S. Air National Guard photo by Airman 1st Class Hayden Johnson)