PACIFIC OCEAN (March 20, 2021) The Arleigh Burke-class guided-missile destroyer USS John Finn (DDG 113) fires its Mark 45 5-inch gun during a live-fire exercise, March 20, 2021. John Finn, part of the Theodore Roosevelt Carrier Strike Group, is on a scheduled deployment to the U.S. 7th Fleet area of operations. As the U.S. Navy's largest forward-deployed fleet, 7th Fleet routinely operates and interacts with 35 maritime nations while conducting missions to preserve and protect a free and open Indo-Pacific Region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jason Waite)