170209-N-HB733-023 GULF OF ADEN (Feb. 9, 2017) Gunner's Mate 1st Class Jose Sanchez observes a Mark 45 5-inch lightweight gun aboard the Arleigh Burke-class guided-missile destroyer USS Cole (DDG 67) during a gun firing control system maintenance check. Cole is deployed in the U.S. 5th Fleet area of operations in support of maritime security operations designed to reassure allies and partners and preserve the freedom of navigation and the free flow of commerce in the region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Brianna K. Green/Released)