Second Lt. Michael Chidester works on a C-130 Hercules on Dec. 21, 2010, at a non-disclosed base in Southwest Asia. Lieutenant Chidester oversees the daily maintenance and availability of aircraft to complete mission requirements. He is the officer in charge of aircraft maintenance with the 386th Expeditionary Aircraft Maintenance Squadron and is deployed from the 317th Aircraft Maintenance Squadron at Dyess Air Force Base, Texas. (U.S. Air Force photo/Senior Airman Cynthia Spalding)