More than 60 Airmen from Seymour Johnson Air Force Base, North Carolina, walk onto the track at the Charlotte Motor Speedway for the pre-race events of the Coca-Cola 600 on May 27, 2018, in Concord, North Carolina. Service members from all five military branches were honored before the NASCAR race. (U.S. Air Force photo by Tech. Sgt. David W. Carbajal)