160330-N-WQ574-036 COUPEVILLE, Wash. (March 30, 2016) Soldiers assigned to 51st Signal Battalion, Charlie Company, set up a Troposcatter Spherical System during an exercise at Outlying Field (OLF) Coupeville. Charlie Company utilized OLF Coupeville for a communication training exercise in cooperation with Naval Air Station Whidbey Island. (U.S. Navy photo by Mass Communication Specialist 3rd Class Caleb Cooper/Released)