190627-N-NT795-188 SAN DIEGO (June 27, 2019) A Coastal Riverine Squadron 3 Mark VI patrol boat conducts unit level training off the coast of San Diego. The Coastal Riverine Force is a core Navy capability that provides port and harbor security, high value asset security, and maritime security operations in the coastal and inland waterways. (U.S. Navy photo by Chief Boatswain’s Mate Nelson Doromal Jr./Released)