U.S. Air Force Staff Sgt. Dustin Lepak, 52nd Aircraft Maintenance Squadron weapons lead crew chief, checks the inert munitions on an F-16 Fighting Falcon during Trident Juncture 2018 at Kallax Air Base, Sweden, Oct. 22, 2018. This exercise ensures NATO forces are able to operate together and be ready to respond to any threat from any direction. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)