160501-N-NK714-037 San Diego, Calif. (May 1,2016) Sailors attached to Coastal Riverine Squadron Group One participate in a mass re-enlistment in preparation for an extended unit mobilization planned for early 2017. Coastal Riverine Squadron Group One 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 (SW) Nolan O. Kahn/Released)