A Team Dover guest watches the Thunderbirds during the 2017 Thunder Over Dover Open House Aug. 27, 2017, on Dover Air Force Base, Del. The Thunderbirds are the Air Force’s premier aerial demonstration team, led by Lt. Col. Jason Heard, commander/leader of the U.S. Air Force Air Demonstration Squadron and pilot of the No. 1 jet. (U.S. Air Force photo by Staff Sgt. Jared Duhon)