▁was ▁a ▁t ug bo at ▁acquired ▁by ▁the ▁U . S . ▁Navy ▁during ▁World ▁War ▁I . ▁She ▁was ▁employed ▁as ▁a ▁t ug bo at ▁in ▁New ▁York ▁har bor . ▁Post - war ▁she ▁was ▁placed ▁on ▁loan ▁with ▁the ▁City ▁of ▁New ▁York ▁until ▁ 1 9 2 8 , ▁when ▁she ▁was ▁dis posed ▁of ▁by ▁the ▁Navy . ▁ ▁Con struct ed ▁in ▁Cam den , ▁New ▁Jersey ▁▁ ▁N ah ant , ▁a ▁ 4 0 5 ▁gross ▁ton ▁har bor ▁t ug ▁built ▁in ▁ 1 9 1 3 ▁by ▁John ▁H . ▁Dialog ue , ▁Cam den , ▁New ▁Jersey , ▁as ▁L uck en bach ▁No . ▁ 4 ▁was ▁acquired ▁by ▁the ▁Navy ▁from ▁the ▁L uck en bach ▁Ste am ship ▁Company , ▁New ▁York ▁City , ▁on ▁ 1 ▁December ▁ 1 9 1 7 . ▁Ren amed ▁N ah ant ▁and ▁given ▁the ▁registry ▁number ▁SP - 1 2 5 0 , ▁she ▁was ▁placed ▁in ▁commission ▁at ▁the ▁beginning ▁of ▁December ▁ 1 9 1 7 . ▁ ▁World ▁War ▁I ▁service ▁▁▁ ▁Oper ating ▁in ▁the ▁ 3 rd ▁Naval ▁District , ▁N ah ant ▁performed ▁to wing ▁tasks ▁in ▁New ▁York ▁Har bor ▁for ▁the ▁rest ▁of ▁World ▁War ▁I ▁and ▁into ▁the ▁early ▁post - war ▁era . ▁ ▁On ▁loan ▁to ▁the ▁City ▁of ▁New ▁York ▁▁ ▁De comm ission ing ▁early ▁in ▁ 1 9 2 0 , ▁N ah ant ▁was