 Veterans of combat from the North African campaign onward, the regiments of the 3rd Division (Maj. Gen. John W. O'Daniel) were making the main effort in the center of the XV Corps in the direction of Zweibrücken and the Kaiserslautern corridor.Although a company of supporting tanks ran into a dense minefield, disabling four tanks and stopping the others, a battalion of the 7th Infantry fought its way into the village of Uttweiler, just across the German frontier.Then an infantry battalion from the 17.