1 ▁February ▁O z b ourn ▁was ▁on ▁the ▁gun - line ▁at ▁the ▁Vietnam ▁Dem il itar ized ▁Zone ▁( DM Z ) ▁to ▁provide ▁naval ▁gun fire ▁support . ▁On ▁ 2 1 ▁February ▁it ▁dock ed ▁briefly ▁to ▁a ▁pier ▁in ▁Da ▁N ang ▁Har bor . ▁The ▁following ▁two ▁days ▁were ▁spent ▁USS ▁R anger ▁at ▁Yan kee ▁Station . ▁From ▁ 2 4 ▁February ▁through ▁ 2 ▁March ▁the ▁destroy er ▁pat rolled ▁Northern ▁Search ▁& ▁Res cue ▁Station ▁( S AR ) ▁with ▁. ▁On ▁ 3 ▁March ▁the ▁vessel ▁sa iled ▁to ▁Sub ic ▁Bay ▁for ▁ 4 0 - hour ▁up keep . ▁On ▁ 5 ▁March ▁they ▁celebrated ▁O z bour ns ▁ 2 5 th ▁anni versary . ▁From ▁ 1 5 ▁through ▁ 3 1 ▁March ▁O z b ourn ▁was ▁deployed ▁at ▁Yan kee ▁Station ▁with ▁USS ▁K itt y ▁Haw k . ▁From ▁ 1 – 1 1 ▁April , ▁first ▁day ▁O z b ourn ▁tied ▁up ▁at ▁a ▁pier ▁in ▁Da ▁N ang , ▁then ▁O z b ourn ▁ste amed ▁to ▁the ▁ 2 nd ▁and ▁ 3 rd ▁Mil . ▁Region ▁of ▁the ▁gun line ▁in ▁the ▁south . ▁On ▁ 1 1 ▁April ▁O z b ourn ▁dock ed ▁briefly ▁to ▁the ▁pi ers ▁in ▁Da ▁N ang ▁Har bor . ▁From ▁ 1 2 ▁to ▁ 2 3 ▁April ▁O z b ourn ▁was ▁station ed ▁on ▁the ▁gun line ▁at ▁Vietnam ▁DM Z