U.S. Air Force Senior Airman Monorom Tim, a network management technician with the 379th Expeditionary Communication Squadron, uses a visual fault finder to test the continuity of the fiber links at Al Udeid Air Base, Qatar, July 14, 2017. Tim is responsible for ensuring that the underlying infrastructure of the base network is operating within normal standards. (U.S. Air Force photo by Tech. Sgt. Amy M. Lovgren)