191017-N-NT795-596 SAN CLEMENTE ISLAND, Calif. (Oct. 17, 2019) Engineman 1st Class Antonio Dita demonstrates clear and safe procedure to Quarter Master 1st Class Patrick Riley, line coach assigned to Coastal Riverine Group (CRG) 1 Training and Evaluation Unit, aboard a Mark VI patrol boat during live-fire exercises as part of unit level training provided by CRG 1 TEU. The Coastal Riverine Force is a core Navy capability that provides port and harbor security, high value asset security, and maritime security operation in the coastal and inland waterways. (U.S. Navy photo by Chief Boatswain’s Mate Nelson Doromal Jr./Released)