455th ECS: Sound check
Senior Airman Ryan Custodio, 455th Expeditionary Communications Squadron, radio frequency transmission system technician, connects cables to a communications fly away kit, Bagram Airfield, Afghanistan, July 27, 2016. The technicians not only maintain the communication flyaway kit, they also troubleshoot, and repair standard radio frequency, wireless, line-of-sight, beyond line-of-sight, wideband, ground-based satellite, and encryption transmission devices and intrusion detection systems in a fixed and deployed environment. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)