RT Dickson, partial owner of the P-51 “Swamp Fox” Mustang previously flown by the Kentucky Air National Guard, rehearses his flight routine for the Thunder Over Louisville air show at Breckenridge County airport in Hardinsburg, Ky., April 15, 2021. Thunder Over Louisville marks the beginning of the Kentucky Derby season every year. (U.S. Air National Guard video by Senior Airman Chloe Ochs). More