U.S. Air Force Staff Sgt. Ali Shekhey, a radio frequency transmission specialist with the 379th Expeditionary Communication Squadron, performs an operational check on a Hawkeye satellite at Al Udeid Air Base, Qatar, July 14, 2017. Shekhey is responsible for maintaining and repairing a wide range of communication equipment that includes the installation notification and warning system and the public address system. (U.S. Air Force photo by Tech. Sgt. Amy M. Lovgren)