 By mid-1967, Westmoreland said that it was conceivable that U.S. forces could be phased out of the war within two years, turning over progressively more of the fighting to the ARVN.That fall, however, savage fighting broke out in the northern provinces.Beginning below the DMZ at Con Tien and then spreading west to the Laotian border near Dak To, large PAVN forces began to stand their ground and fight.