DAVIDSONVILLE, Md. -- Airman 1st Class Eric Walden, an 89th Communications Squadron Davidsonville Communications Site cable antenna maintenance technician, left, and Staff Sgt. Scott Gingrich, 89 CS cable antenna maintenance technician, perform a preventive maintenance inspection on a 285-foot tower in front of the Davidsonville Site headquarters building Wednesday. The purpose of the maintenance is to ensure proper operation of antenna systems and ensures antenna support structures are sound. (U.S. Air Force photo/Bobby Jones)