An F-35A Lightning II from Hill Air Force Base, Utah, performs a flight demonstration for an audience at the Paris Air Show June 19, 2017 at Le Bourget, France. Held every year, the Paris Air Show represents a unique opportunity for the United States to showcase its leadership in aerospace technologies. Direct participation in the air show supports U.S. government security policy and strategic defense objectives. (U.S. Air Force photo/ Tech. Sgt. Ryan Crane)