190209-N-RF885-075 CORONADO, Calif. (Feb. 9, 2019) Sailors assigned to Coastal Riverine Squadron (CRS) 1 prepare SeaArk 34-foot patrol boats during launch and recovery training onboard Naval Air Station North Island, Calif. The Coastal Riverine Force is a core Navy capability that provides port and harbor security, high value asset protection and maritime security operation in coastal and inland waterways. (U.S. Navy photo by Mass Communications Specialist 2nd Class Natalia Murillo/Released)