A U.S. Air Force F-35A Lightning II flies alongside a K-10 Extender over the Atlantic Ocean for the F-35A’s first transatlantic flight June 30, 2016.The Extender, which is based out of Travis Air Force Base, Calif., refueled the Lightning on its way to England for the Royal International Air Tattoo. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)