U.S. Air Force Senior Airman Karen Griggs, an F-16

U.S. Air Force Senior Airman Karen Griggs, an F-16 Fighting Falcon fighter jet crew chief assigned to the 169th Aircraft Maintenance Squadron, talks to Lt. Gen. R. Scott Williams, commander of Continental U.S. NORAD Region, during preflight operations at McEntire Joint National Guard Base, S.C., June 15, 2017. Lt. Gen. Williams visited the South Carolina Air National Guard to fly and train with Swamp Fox pilots from the 169th Fighter Wing. (U.S. Air National Guard photo by Senior Master Sgt. Edward Snyder)