180804-N-PM193-0451 PACIFIC OCEAN (Aug. 4, 2018) The guided-missile destroyer USS Sterett (DDG 104), fires its Mark 45 5-inch lightweight gun as the ship conducts a live-fire exercise. Sterett is underway in the U.S. 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Alexander C. Kubitza/Released)