U.S. Air Force F-16 Viper, F-35 Lighting II and F-22 Raptor Demo Teams fly in formation during the Heritage Flight Course at Davis-Monthan Air Force Base, Ariz., March 2, 2019. The five-day course prepares demonstration team pilots for the upcoming air show season by allowing them time to practice formations with other teams and Heritage Flight aircraft. (U.S. Air Force photos by Staff Sgt. Jensen Stidham) #AirForce #aircraft #aerialphotography #F16Viper ##f35lightningII #F22Raptor #DemoTeam #HeritageFlightCourse #DavisMonthanAFB #Arizona #AirShow #Formations