Staff Sgt. Yvette Williams hands a starter to Staff

Staff Sgt. Yvette Williams hands a starter to Staff Sgt. Michael Brydon, both 25th Aircraft Maintenance Unit aerospace propulsion technicians, to install into an A-10 Thunderbolt II engine during operational readiness exercise Beverly Bulldog 13-01 at Osan Air Base, Republic of Korea, Nov. 6, 2012. This is the fifth simulated wartime contingency exercise executed in 2012 that tests base's ability to defend and execute the mission in a heightened state of readiness. (U.S. Air Force photo/Staff Sgt. Craig Cisek)