U.S. Air Force Gen. David W. Allvin, Vice Chief of Staff of the Air Force, tours a static display of aircraft the Kentucky Air National Guard Base in Louisville, Ky., April 23, 2022. Allvin was in town for the Thunder Over Louisville air show, which celebrated the 75th anniversary of the United States Air Force. The Kentucky Air Guard served as the base of operations for military aircraft participating in the event. (U.S. Air National Guard photo by Tech. Sgt. Joshua Horton)