190415-N-OW019-1392 GULF OF OMAN (April 15, 2019) Sailors observe as a Mark 38 25 mm gun is fired during a live-fire exercise aboard the guided-missile destroyer USS Chung-Hoon (DDG 93) in the Gulf of Oman, April 15, 2019. Chung-Hoon is deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Navy photo by Mass Communication Specialist 2nd Class Logan C. Kellums/Released)