171016-N-YR245-159 5TH FLEET AREA OF OPERATIONS (Oct. 16, 2017) Sailors aboard the Arleigh Burke-class guided-missile destroyer USS Pinckney (DDG 91) fire M4 carbines during a small arms qualification course on the flight deck of the Arleigh Burke-class guided-missile destroyer USS Pinckney (DDG 91). Pinckney 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 2nd Class Craig Z. Rodarte/Released)