Airmen from the 39th Communications Squadron install underground communications, the framework for commuication infrastructure, Nov. 18, 2015, at Incirlik Air Base, Turkey. The underground communication cable is the first of many steps in establishing communications infrastructure. The CS works to establish and maintain new and old infrastructure to ensure Incirlik, and Operation Inherent Resolve, missions are accomplished. (U.S. Air Force photo by Staff Sgt. Jack Sanders/Released)