Senior Airman Otis Osborn, 28th Communications Squadron radio frequency transmissions technician, removes a portable radio cover during scheduled maintenance in the 28th CS Radio Maintenance shop on Ellsworth Air Force Base, S.D., Feb. 7, 2013. The cover must be carefully removed to access any malfunctioning components without further damaging the radio. (U.S. Air Force photo by Airman 1st Class Kate Thornton-Maurer/Released)