KUNSAN AIR BASE, Republic of Korea --   U.S. Air Force F-35As assigned to the 421st Fighter Squadron fly alongside a 35th Fighter Squadron F-16 Fighting Falcon during a dogfighting training scenario during exercise Ulchi Freedom Shield 25 at Kunsan Air Base, Republic of Korea, Aug. 20, 2025. UFS25 challenges participants with realistic combat scenarios designed to bolster shared understanding and combined defense capabilities with allies and partners in the region. (U.S. Air Force photo by Senior Airman Landon Gunsauls)