355th Communications Squadron
U.S. Air Force Senior Airmen Kevin Davis and Garrett Leeper, 355th Communications Squadron radio frequency transmissions systems technicians, perform a preventive maintenance inspection on a giant voice pole at Davis-Monthan Air Force Base, Ariz., Dec. 22, 2014. The 355th CS mission is to maintain and operate voice and data telecommunications along with computer network, radar and navigational aids. (U.S. Air Force photo by Airman 1st Class Cheyenne Morigeau/Released)