Sheppard's 75th Anniversary Air Show
The U.S. Air Force Thunderbirds perform their delta burst formation during the Sheppard Air Force Base, Texas, 75th Anniversary Air Show Celebration, Sept. 17, 2016. The Thunderbirds showcase the skill and precision of the brave aviators, maintenance and support Airmen who deploy abroad to defend our nation and its allies. (U.S. Air Force photo by Senior Airman Kyle E. Gese)