Coastal Riverine Force (CRF) sailors aboard a Riverine Command Boat (RCB), a 34-foot Patrol Boat, a Riverine Assault Boat (RAB) and a Riverine Patrol Boat (RPB), left to right, prepare for a dynamic display of their capabilities at Joint Expeditionary Base Little Creek-Fort Story Aug. 23. CRF is a core Navy capability that provides port and harbor security, high value asset protection and maritime security operations in the coastal and inland waterways. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kay Savarese/Released)