PACIFIC OCEAN (Sept. 19, 2022) The Arleigh Burke-class guided-missile destroyer USS John Finn (DDG 113) fires its Mark 45 Mod 4 5-inch gun during a Littoral Combat Ship Surface Warfare Advanced Tactical Training (LCS SWATT) live-fire exercise, Sept. 19, 2022. LCS SWATT, led by Littoral Combat Ship squadron ONE under the guidance of Naval Surface and Mine Warfighting Development Center, is the surface force�s premiere advanced tactical training exercise, increasing warfighting capability and tactical proficiency across all domains. (U.S. Navy photo by Ensign Andrew J. Miyashiro)