PACIFIC OCEAN (Sept. 27, 2022) A Mark 38 25 mm machine gun system aboard the Arleigh Burke-class guided-missile destroyer USS Chung-Hoon (DDG 93) fires at an unmanned surface contact during a live-fire exercise. Chung-Hoon is operating with Nimitz Carrier Strike Group in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kenneth Lagadi)