A sensor operator with the 111th Operations Group looks over a manual Jan. 27, 2016, in the 111th OG sensor operating section on Horsham Air Guard Station, Pennsylvania. Sensor operators play a critical role in the remotely-piloted aircraft mission at Horsham AGS, where the 111th Attack Wing operates the MQ-9 Reaper. (U.S. Air National Guard photo by Tech. Sgt. Andria Allmond)