▁Category : Occ up ations ▁Category : Met al working ▁occup ations <0x0A> </s> ▁Operation ▁Cor on ado ▁V ▁was ▁a ▁river ine ▁military ▁operation ▁conducted ▁by ▁the ▁U . S . ▁Mobile ▁River ine ▁Force ▁( MR F ) ▁and ▁elements ▁of ▁the ▁Army ▁of ▁the ▁Republic ▁of ▁Vietnam ▁from ▁ 1 2 ▁September ▁to ▁ 5 ▁October ▁ 1 9 6 7 ▁in ▁an ▁attempt ▁to ▁shut ▁down ▁V iet ▁Cong ▁strong holds ▁in ▁the ▁M ek ong ▁D elta . ▁The ▁first ▁part ▁of ▁the ▁operation ▁took ▁place ▁in ▁ Đ ị n h ▁T ư ờ ng ▁Province ▁( now ▁Ti ề n ▁Gi ang ▁Province ). ▁After ▁receiving ▁intelligence ▁that ▁the ▁V iet ▁Cong ▁( VC ) ▁ 2 6 3 rd ▁Main ▁Force ▁batt alion ▁had ▁been ▁seen ▁in ▁the ▁region , ▁three ▁Al lied ▁batt al ions ▁were ▁brought ▁in ▁on ▁ 1 2 ▁September ▁by ▁hel ic op ters ▁and ▁boats . ▁Im medi ately ▁there ▁was ▁heavy ▁contact , ▁and ▁although ▁the ▁Al lies ▁reported ▁killing ▁ 1 3 4 , ▁the ▁majority ▁of ▁the ▁V C ▁escaped . ▁S we eps ▁of ▁the ▁area ▁resulted ▁in ▁another ▁major ▁confront ation ▁with ▁the ▁V C ▁on ▁ 1 5 ▁September . ▁During ▁the ▁four - day ▁period , ▁U . S . ▁and ▁AR V N ▁reported ▁ 2 1 3 ▁V C ▁killed . ▁The ▁Al lied ▁forces ▁then ▁moved ▁into ▁ad jo ining ▁Ki ế n ▁H ò a ▁Province ▁( now