BALAD AIR BASE, Iraq -- Senior Airman Dayson Lee, 332nd Expeditionary Logistics Readiness Squadron vehicle technician, fixes an air brake valve on a tractor trailer here, Jan 23. The valve controls the braking system for the vehicle and the load that it carries. Airman Lee is deployed from Royal Air Force Lakenheath, England. (U.S. Air Force photo/ Senior Airman Julianne Showalter)