U.S. Air Force Senior Airman John Daigle, a 52nd Aircraft Maintenance Squadron crew chief, takes notes after launching an F-16 Fighting Falcon during Exercise Trident Juncture 18 at Kallax Air Base, Sweden, Nov. 1, 2018. This exercise is designed to ensure that NATO forces are trained, able to operate together, and ready to respond to any threat across the spectrum of military operations. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)