Watching over Afghanistan
Tech. Sgt. Carloz Ochoa performs an ohm’s check on a heater coil for an Environmental Control Unit, Oct. 14, 2010, at Kandahar Airfield, Afghanistan. Sergeant Ochoa, from San Jacinto, Calif., is the ground support flight chief for the 73rd Expeditionary Air Control Squadron. (U.S. Air Force photo by Tech. Sgt. Chad Chisholm/Released)