160418-N-DN943-050 (April 18, 2016) FORT KNOX, Ky. - Master-at-Arms Seaman Kenny Rogers, Sailor assigned to Coastal Riverine Squadron Four (CRS-4), mans a GUAL-17 minigun while underway during an annual training exercise on Ft. Knox, Ky. The coastal riverine force is a core Navy capability that provides port and harbor security, high value asset protection, and maritime security operations in coastal and inland waterways. (U.S. Navy Combat Camera photo by Mass Communication Specialist 2nd Class Gabriel Bevan/Released)