U.S. Marines on the 196th Light Infantry Brigade debark from giant C130 transports after being airlifted here from Da Nang April 11, 1972 to bolster defenses of this northernmost American outpost in South Vietnam. U.S. Artillery battery and force of 400 American infantrymen, some scheduled to go home, were flown into combat area below DMZ to guard American installations against the 12-day-old North Vietnamese offensive, Phu Bai, South Vietnam

1972