Tech. Sgt. Olandre L. Edwards, 644th Combat Communications Squadron radio frequency transmissions supervisor, adjusts sand bags on an antenna stand as part of a preventative-maintenance inspection to ensure reliable radio communications are maintained. The 644th CBCS is in place at Suwon Air Base, Japan, from Anderson Air Force Base, Guam, to help set up and maintain temporary communications. (U.S. Air Force photo by Tech. Sgt. Travis Edwards-Released/Released)