The U.S. Air Force F-22 Raptor Demonstration Team participates in the Heritage Flight formation with the F-35 Lightening II and F-18 Saber at the 2016 Air Power over Southern Nevada Air Show at Nellis Air Force Base, Nev., Nov. 13, 2016. The Heritage Flight is a group of pilots who fly various aircraft together to pay homage to the evolution of aviation. (U.S. Air Force photo by 2nd Lt. Mahalia Frost)