AAF 3G capability demonstration
An Air to Ground Radio Station and a laptop transmit and receive data messages during a 3G capability test September 12, 2018, Kabul, Afghanistan. 3G radios offer a wide array of encrypted capabilities such as, secure voice and data channel for ground-ground, ground-air, and ground-satellite communications. (U.S. Air Force photo by Staff Sgt. Jared J. Duhon)