181203-N-TP834-0163 PACIFIC OCEAN (Dec. 3, 2018) Damage Controlman 1st Class Jared Orler fires an M240B machine gun during a live-fire gunnery exercise on the flight deck aboard the guided-missile destroyer Pre-Commissioning Unit (PCU) Michael Monsoor (DDG 1001). The future USS Michael Monsoor is the second ship in the Zumwalt-class of guided-missile destroyers. The ship is scheduled to be commissioned into the Navy Jan. 26, 2019, in Coronado, Calif. (Photo by Mass Communication Specialist 1st Class John Philip Wagner Jr./Released)