. . . . . . "U.S. air support" . "5 killed" . "Nui Le" . "Australian and North Vietnamese tactical withdrawal" . . "Artillery" . . "North Vietnam" . . "Battle of Nui Le" . . . . . . . . "Battle of Nui Le" . . "1971-09-21" . "2 infantry companies" . . . "ANZAC Claim: 600+ infantry" . . . "30 wounded" . .