An A10 Thunderbolt II sits in a hangar prior to being prepped for launch Dec. 5, 2014, during Exercise Beverly Bulldog 15-01 at Osan Air Base, Republic of Korea. The exercise focuses on readiness, testing Osan’s wartime procedures and realistically looking at our ability to defend the base, execute operations and receive follow-on forces. (U.S. Air Force photo by Senior Airman David Owsianka/Released)