Standing guard
SOUTHWEST ASIA -- Airman Michael Holder stands guard as a herd of camels cross the road during a convoy Dec. 29. Animals can carry improvised explosive devices, and security forces airmen must treat them as hazards. Airman Holder is assigned to the 332nd Expeditionary Security Forces Squadron at Tallil Air Base, Iraq. (U.S. Air Force photo by Staff Sgt. C.E. Lewis)