Airman 1st Class Courtney Sherman and Airman 1st Class Tyler Elam, cyber transport technicians assigned to the 609th Expeditionary Air Communications Squadron (EACOMS), check the functionality of phone lines Aug. 8, 2018, at Al Udeid Air Base, Qatar. The 609th EACOMS provides the sole communication support to the Combined Air Operations Center, which is responsible for planning and executing air operations in support of U.S. Central Command (CENTCOM) military objectives in the CENTCOM area of responsibility. (U.S. Air Force photo by Staff Sgt. Caitlin Conner)