Four A-10 Thunderbolt II jets from the 25th Fighter Squadron taxi down the runway in a mass launch during the operational readiness exercise Beverly Midnight 14-4 Sept. 17, 2014, at Osan Air Base, Republic of Korea. Aircraft from Kunsan AB and Mountain Home Air Force Base, Idaho, participated in the mass launch. (U.S. Air Force photo by Senior Airman David Owsianka)