TIKRIT, Iraq (AFPN) -- Staff Sgt. Ricardo Remesal-Lopez cleans and checks the operation of a .50-caliber machine gun before a night convoy at base Speicher. Airmen with the 732nd Expeditionary Logistics Readiness Squadron provide armed escort of combat patrols to ensure passengers and cargo reach their destinations throughout Iraq. Sergeant Remesal-Lopez deployed from Lackland Air Force Base, Texas. (U.S. Air Force photo by Maj. Robert Couse-Baker)