An F-16 Fighting Falcon from the 555th Fighter Squadron takes off on the first day of Astral Knight 19 at Aviano Air Base, Italy, on June 3, 2019. The U.S. and our NATO partners and allies continue to strengthen our deterrence efforts and improve readiness through multinational exercises like AK19. (U.S. Air Force photo by Airman 1st Class Caleb House)