KC-135R Stratotankers at the 126th Air Refueling Wing stationed at Scott Air Force Base, Ill., taxi to their assigned parking spots during Exercise Vigilant Citizen on June 7, 2014. The 126th Air Refueling Wing conducted an 8010 exercise simulating a national emergency that would require immediate air refueling support by the 126 ARW. (Air National Guard photo by Staff Sgt. Andrew Kleiser)