Sunrise during the morning hours of January 7, 2020 illuminates the air traffic control tower at the Sioux City, Iowa regional airport behind a group of U.S. Air Force KC-135 Statotankers as crew chiefs from the Iowa Air National Guard’s 185th Air Refueling Wing prepare some of the unit’s frost covered aircraft for flying missions on a brisk January morning. U.S. Air National Guard photo by Senior Master Sgt. Vincent De Groot