190827-N-N0443-005 GREAT LAKES, Ill. (Aug. 27, 2019) Center for Surface Combat Systems Unit Great Lakes Operations Specialist "A" School student Seaman Recruit Demicio Curb applies symbols to targets on the SPA-25G Radar Display to keep track of their status as friendly, enemy or unknown targets during the Radar Lab. The lab familiarizes students with a piece of equipment they will operate throughout their career. (U.S. Navy photo by Electronics Technician Seaman Taylor Port/Released)