180718-N-PM193-0071 PACIFIC OCEAN (July 18, 2018) Gunner’s Mate 3rd Class Antonio Hayward, assigned to guided-missile destroyer USS Sterett (DDG 104), removes an electronic firing circuit tester round while performing maintenance inside a Mark 45 5-inch lightweight gun. 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)