Airman 1st Class Ralph Fogg (right) and Senior Airman Robert Lewis, 744th Communication Squadron radio frequency technicians, examine motherboard components for a giant voice system at Joint Base Andrews, Md., on Aug. 26, 2014. The 744 CS is responsible for land-to-mobile communications, the giant voice and public address system. (U.S. Air Force photo/Airman 1st Class Joshua R. M. Dewberry)