190613-F-OT290-0032
Two U.S. Air Force F-35A Lightning II fighter aircraft, assigned to the 421st Fighter Squadron, Hill Air Force Base, Utah, right, fly in formation with two Finnish F-18 Hornets, left, while en route to Turku, Finland, June 13, 2019. These aircraft are in Europe to participate in exercises and conduct training with Europe-based aircraft in support of a Theater Security Package. (U.S. Air Force photo by Airman 1st Class Jovante Johnson)