Show me where it hurts
Master Sgt. Michael Keys uses a hazardous air pollutant site monitor to check air, soil, and water samples for contaminations Dec. 11 at Ali Base, Iraq. Sergeant Keys is assigned to the 407th Expeditionary Medical Squadron Bioenvironmental Engineer Flight and is responsible for occupational safety and health administration and environmental protection. Sergeant Keys is deployed from McConnell Air Force Base, Kan. (U.S. Air Force photo/Airman 1st Class Jonathan Snyder)