170324-N-RF885-206 SAN DIEGO (March 24, 2017) Sailors assigned to Coastal Riverine Squadron (CRS) 1 maneuver SeaArk 34-foot patrol boats in formation during a training exercise in San Diego Harbor. The Coastal Riverine force provides port and harbor security, high value asset protection and maritime security operations in coastal and inland waterways. (U.S. Navy photo by Mass Communication Specialist 2nd Class Natalia Murillo/Released)