An Afghan Air Force radio trainer speaks about 3G potential capabilities to Col. Patrick Daley, Train, Advise and Assist Command – Air Chief of Staff, during a capability test September 12, 2018, Kabul, Afghanistan. The capability would allow for 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)