"362 wounded" . "127 killed" . "3rd Battalion 5th Marines" . "South Vietnam" . . . "North Vietnam" . "1st Battalion 5th Marines" . "2nd Division:elements" . . . "US victory" . "United States" . "23px1st Regiment" . "Operation Swift was a military operation by units of the 1st Marine Division in the Qu\u1EBF S\u01A1n Valley, to rescue two Marine companies which had been previously ambushed by the People's Army of Vietnam (PAVN). Launched on September 4, 1967 the ensuing battles 127 Americans and an estimated 600 PAVN were killed."@en . "23pxViet Cong" . "37th Ranger Battalion" . "U.S. estimate: 2,500" . "Operation Swift"@en . .