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Big ASA 335th Radio Research Company
Vietnam Campaigns
9th Infantry

Back Button Updated: 5 September 1999

Counteroffensive, Phase IV Campaign
2 April 1968 - 30 June 1968

During this period friendly forces conducted a number of battalion-size attritional operations against the enemy.

Operations PEGASUS-Lam Son 207 relieved the Khe Sanh Combat Base on 5 April and thereby opened Route 9 for the first time since August 1967. This operation not only severely restricted the North Vietnamese Army's use of western Quang Tri Province but also inflicted casualties on the remnants of two North Vietnamese divisions withdrawing from the area. This success was followed by a singular allied spoiling operation in the A Shau Valley, Operation DELAWARE-Lam Son. These two operations prevented the enemy from further attacking I Corps Tactical Zone population centers and forced him to shift his pressure to the III Corps Tactical Zone.

During the period 5-12 May 1968 the Viet Cong launched an offensive with Saigon as the primary objective. Friendly forces defended the city with great determination. Consequently Saigon was never in danger of being overrun. Small Viet Cong units that did manage to get into the outskirts were fragmented and driven out with great loss of enemy life. By the end of June 1968 friendly forces had decisively blunted the enemy's attacks, inflicted very heavy casualties, and hindered his ability to attack urban areas throughout the Republic of Vietnam. The enemy was forced to withdraw to his sanctuaries.

The strength of the U.S. Army in Vietnam reach a peak of nearly 360,000 men during this period.