▁February ▁ 1 8 6 5 . ▁ 3 rd ▁Brigade , ▁ 1 st ▁Pro vis ional ▁Division , ▁Army ▁of ▁the ▁Sh en ando ah , ▁to ▁April ▁ 1 8 6 5 . ▁ 3 rd ▁Brigade , ▁D w ight ' s ▁Division , ▁Department ▁of ▁Washington , ▁to ▁June ▁ 1 8 6 5 . ▁District ▁of ▁Sav ann ah , ▁Georgia , ▁Department ▁of ▁the ▁South , ▁to ▁October ▁ 1 8 6 5 . ▁ ▁The ▁ 1 7 3 rd ▁New ▁York ▁Infantry ▁must ered ▁out ▁of ▁service ▁October ▁ 1 8 , ▁ 1 8 6 5 . ▁ ▁D etailed ▁service ▁Left ▁New ▁York ▁for ▁New ▁Orleans , ▁Louisiana , ▁December ▁ 9 , ▁ 1 8 6 2 . ▁Occ up ation ▁of ▁Bat on ▁Rou ge , ▁Louisiana , ▁December ▁ 1 7 , ▁ 1 8 6 2 , ▁and ▁duty ▁there ▁until ▁March ▁ 1 8 6 3 . ▁Oper ations ▁on ▁Bay ou ▁Pla qu em ine ▁and ▁the ▁Black ▁and ▁At ch af al aya ▁R ivers ▁February ▁ 1 8 – 2 8 . ▁Oper ations ▁against ▁Port ▁Hudson , ▁Louisiana , ▁March ▁ 7 – 2 7 . ▁M oved ▁to ▁Al gi ers ▁April ▁ 3 , ▁th ence ▁to ▁Bras he ar ▁April ▁ 8 . ▁Oper ations ▁in ▁western ▁Louisiana ▁April ▁ 9   – ▁May ▁ 1 4 . ▁Bay ou ▁Te che ▁Camp aign ▁April ▁ 1 1 – 2