As long as the Communists enjoyed full use of their Cambodian sanctuaries, they were able to keep persistent pressure on the entire lower half of South Viet Nam. To be sure, North Vietnamese and Viet Cong forces remain a menace in the two southern military regions. But there is growing evidence that the area from the Camau Peninsula in the southern tip of the country to the first slopes of the Central Highlands has begun to benefit from the allies' sanctuary-scouring raids.
Rocket and mortar attacks have become almost a rarity. In the Mekong Delta (IV Corps), enemy gunners during the month...