Communications Squadron Air Force Senior Airman Joseph Simpson, left, a 379th Expeditionary Communications Squadron radio frequency transmission technician, and Air Force Tech. Sgt. Frederick Premuto, 379th ECS radio frequency transmission noncommissioned officer in charge, check communications equipment for a coalition partner facility at Al Udeid Air Base, Qatar, Feb. 8, 2019. SHARE: Download: Full Size (1.28 MB) Tags: Air Force Credit: Air Force Tech. Sgt. Christopher Hubenthal VIRIN: 190208-F-AD344-0217C.JPG Photo Gallery