EIELSON AIR FORCE BASE, Alaska -- Senior Airman Lance Egan, on an aerial platform 55 feet high, communicates to Airman 1st Class Jonathan Scholl while controlling the giant voice system locally for a sound test here Aug. 13. The radio maintenance shop conducts preventive maintenance inspections on every giant voice system to ensure it works properly when needed to inform the base populace. Both Airmen are assigned to the 354th Communication Squadron. (U.S. Air Force photo by Airman 1st Class Jonathan Snyder)