180308-N-NT795-921 BANGOR, Wash. (March 8, 2018) Engineman 2nd Class Shaun McGuire, a crewman gunner assigned to Coastal Riverine Squadron (CRS) 11, High Value Unit (HVU) Pacific Northwest, mans the forward M240 machine gun aboard a Sea Ark patrol boat during simulated small boat attack exercise during a mid-cycle inspection conducted by a mobile training team assigned to Coastal Riverine Group (CRG) 1's Training and Evaluation Unit. The coastal riverine force is a core Navy capability that provides port and harbor security, high value asset protection and maritime security operations in coastal and inland waterways. (U.S. Navy photo by Chief Boatswain's Mate Nelson Doromal/Released)