The Thunderbirds, the U.S. Air Force’s flight demonstration team, practice for a performance at the Aviation Nation air show at Nellis Air Force Base, Nev., Nov. 15, 2019. The show will be the last of the 2019 season for the Thunderbirds.
An F-35 Lightning II performs during the 2017 Joint Base San Antonio Air Show and Open House Nov. 4, 2017 at JBSA-Lackland Kelly Field. Air shows allow the U.S. military and civilian demonstration teams to display their capabilities through aerial demonstrations and static displays. (Courtesy photo)