Footage of U.K. and U.S. warships firing the DS30B Mk 1, DS30M Mk 2, and Mk 46 Gun Weapon System (GWS), all equipped with the 30mm chain gun Mk44 Bushmaster II.

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Film Credits: Royal Navy and U.S. Navy

The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.