U.S. Air Force Airmen from Tops in Blue perform a rifle drill during the 2015 Tops in Blue World Tour Aug. 28, 2015, at the Abilene Civic Center in Abilene, Texas. This year’s theme is “Freedom’s Song,” a celebration of the freedoms we enjoy as Americans. (U.S. Air Force photo by Senior Airman Kedesha Pennant/Released)