Airman 1st Class Brandon Koch, 28th Communications Squadron cyber systems operator, adjusts cables in a server room at Ellsworth Air Force Base, S.D., March 3, 2015. Cyber systems specialists develop and maintain foundational communication capabilities by providing network services, including messaging, share drives, network access and storage to the base. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)