The United States Air Force Air Demonstration Squadron "Thunderbirds" perform at the Thunder & Lightning Over AZ Air Show on March 22, 2019, at Davis-Monthan Air Force Base, AZ. The air show in Tucson, AZ kicks-off the 2019 season for the Thunderbirds who will be on tour March through November. (U.S. Air Force Photo/Staff Sgt. Cory W. Bush)