HVAC
Staff Sgts. Dwayne Carter (left) and Andrew Baines, 379th Expeditionary Civil Engineer Squadron heating, ventilation and air conditioning technicians, carry a new air conditioning unit to be installed in a dormitory. Sergeant Carter, deployed from Ramstein Air Base, Germany, and Sergeant Baines, deployed from Andrews Air Force Base, Md., perform the semiannual preventive maintenance procedure on window air conditioning units throughout coalition compound to prevent dorm fires. (U.S. Air Force photo/Senior Airman Tong Duong)