Senior Airman David Ortega, an integrated flight control system journeyman assigned to the 451st Expeditionary Aircraft Maintenance Squadron, Kandahar Airfield, Afghanistan, precisely tightens a bolt on a C-130J Hercules electronic instrument box July 30, 2010. Airman Ortega is deployed from the 19th Aircraft Maintenance Squadron at Little Rock Air Force Base, Ark. (U.S. Air Force Photo/Staff Sgt. Chad Chisholm)