???? ??? ????/????? ????/???? ????, ???/??? ?? ????/?? ???/???? ???? ?????. ?? ???? ? ???/??? ??/???? ??? ??? ???? ???? ??? ?????. ???/???/???? {???/????/???? ????? ?????, ???/???/?? ?? ????? ???? ??? ??/???? ????? ??/????/?? ???/????/??? ?? ?? ????. ? ????/??/ ???/??/??? ????? ?? ???? ???/???? ??? ????/???? ???? ???? ?????/?? ???/??? ??? ??? ???

As such, they shaped a sub-course in the Mahan class, as all other members of that course were Geared up with Mark 21 pedestal mounts in all 5 positions. It's also used by several nations who bought or were given US Navy surplus ships. an incredible number of rounds of ammunition have been produced for these guns, with in excess of 720,000 rounds