190906-N-FV745-0053 SAN DIEGO (September 6, 2019) Sailors assigned to Coastal Riverine Squadron (CRS) 1 conduct harbor security aboard their 25-foot Oswald-class tactical craft in and around San Diego Bay, Sept. 6, 2019. CRS-1 is comprised of reserve and active-duty sailors, who work together to ensure operational efficiency and manning requirements. 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 Mass Communication Specialist 1st Class Daniel James Lanari/Released)