Team effort keeps Balad water supply safe
Staff Sgt. Gary Messer takes a sample of tap water for testing from the Air Force Theater Hospital March 13 at Balad Air Base, Iraq. The bioenvironmental personnel take random samples of water from many sources all over base daily to ensure its quality and safeness. Sergeant Messer, a 332nd Expeditionary Aerospace Medical Squadron bioenvironmental engineer, is deployed from Lackland Air Force Base, Texas. (U.S. Air Force photo/Senior Airman Julianne Showalter)