Operators from the 123rd Special Tactics Squadron fold a ceremonial flag for Chief Master Sgt. Karl Grugel, senior enlisted leader of the 123rd Special Tactics Squadron, during his retirement ceremony at the Kentucky Air National Guard Base in Louisville, Ky., Dec. 10, 2022. Grugel served the Air Force and Air National Guard for 31 years. (U.S. Air National Guard photo by Staff Sgt. Clayton Wear)