The U.S. Air Force Thunderbirds fly in formation during a practice session for the Keesler and Biloxi Air and Space Show in Biloxi, Mississippi, May 3, 2019. The Thunderbirds are headlining the Keesler and Biloxi Air and Space Show May 4-5. Thunder Over the Sound is a unique, one-of-a-kind event where a base and its surrounding city have jointly hosted one air show taking place in two locations. (U.S. Air Force photo by Senior Airman Jenay Randolph)