Tech. Sgt. James Glickman monitors the wet bulb globe temperature heat stress readings Aug. 18, 2010, at Kandahar Airfield, Afghanistan. Sergeant Glickman is a bioenvironmental engineering craftsman assigned to the 451st Air Expeditionary Wing clinic and he is deployed from the 6th Aeromedical-Dental Squadron at MacDill Air Force Base, Fla. (U.S. Air Force Photo/Senior Airman Melissa B. White)