Live-fire video from Japan-based Destroyer USS John Finn (DDG 113) in the Sea of Japan on 9 Oct. First is a Mk 38 Mod 2 [or MK38-3 ?] 25mm gun firing with an LRAD long range acoustic device at left; the Vulcan guns of a Phalanx CIWS Close In Weapon System; and the Mk 45 5-inch gun. US Navy video. 2023
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