A-10 Thunderbolt IIs are ready to bring the thunder Published Aug. 29, 2011 By Tech. Sgt. Chad Thompson 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- Airmen with the 51st Maintenance Group load munitions onto an A-10 Thunderbolt II assigned to the 25th Fighter Squadron August 29, 2011, during an Operational Readiness Exercise. Exercises such as this test Osan's ability to survive and operate during a war-time constraint. (U.S. Air Force photos/Tech. Sgt. Chad Thompson)