MK38, MK15 & MK45 Live-fire USS John Finn DDG 113, Sea of Japan, 2013-10-09

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