1 1 9 / PF - 1 1 ), ▁a ▁ ▁pat rol ▁fr ig ate , ▁was ▁the ▁only ▁ship ▁of ▁the ▁United ▁States ▁Navy ▁to ▁be ▁named ▁for ▁Grand ▁F ork s , ▁North ▁Dak ota . ▁ ▁Const ruction ▁Grand ▁F ork s , ▁originally ▁class ified ▁as ▁pat rol ▁gun bo at , ▁P G - 1 1 9 , ▁was ▁rec lass ified ▁as ▁a ▁pat rol ▁fr ig ate , ▁P F - 1 1 , ▁on ▁ 1 5 ▁April ▁ 1 9 4 3 . ▁She ▁was ▁laid ▁down ▁on ▁ 2 9 ▁September ▁ 1 9 4 3 , ▁under ▁a ▁Mar itime ▁Commission ▁( MA R COM ) ▁contract , ▁MC ▁h ull ▁ 1 4 2 9 , ▁at ▁the ▁P erman ente ▁Met als ▁Richmond ▁Sh ip yard ▁# 4 , ▁Richmond , ▁California . ▁Grand ▁F ork s ▁was ▁launched ▁on ▁ 2 7 ▁November ▁ 1 9 4 3 , ▁spons ored ▁by ▁Mrs . ▁T . ▁H . ▁Th ores on ; ▁and ▁commission ed ▁on ▁ 1 8 ▁March ▁ 1 9 4 4 , ▁with ▁Lieutenant ▁Commander ▁Christian ▁W . ▁Pet erson , ▁US CG , ▁in ▁command . ▁ ▁Service ▁history ▁After ▁sh aked own , ▁on ▁ 7 ▁August ▁ 1 9 4 4 , ▁Grand ▁F ork s ▁sa iled ▁from ▁San ▁Francisco , ▁California , ▁to ▁take ▁station ▁in ▁the ▁Northern ▁Pacific ▁off ▁the ▁California ▁coast ▁as ▁a ▁plane ▁guard ▁ship ,