Background
The South Korean 3rd Battalion, 1st Armored Regiment, part of the Capital Division (Fierce Tiger), began participating in Operation Paul Revere I on 9 July, establishing its positions to the north of theEngagement
On 9 August, the 9th Company had just returned from a two-day mission on the Cambodian border. Its commander sent out three listening posts 200 meters beyond the perimeter before sunset and followed standard Korean procedures by placing half of the men inside the main position on alert. The southwest listening post reported sounds of digging about an hour before midnight, followed by the tripping of a flare on the western side of the perimeter. Predicting a forthcoming attack, the company commander called the listening posts into the main position. When the digging continued, a Patton directed its searchlight towards the noise and fired one of its machine guns, being met with fire from PAVN soldiers in a tree line to the south, supported by mortar fire from the northwest. This slightly wounded three Americans, including the platoon commander, who were caught outside their tanks, but all reached the latter without further injury. The men in the position were fully alerted by this time. In response to increased PAVN fire, three of the Pattons fired antipersonnel rounds into the tree line, while the remainder fired to the southwest. Two of the tanks were searchlight-equipped, but both were disabled by PAVN fire during the night, after which illumination was provided by artillery flares and United States Air Force flare ships (transport aircraft dropping flares). Artillery support from the 3rd Battalion and from the three American artillery batteries at Duc Co as a result of continued increase in PAVN fire. The PAVN fire slowed by 01:30 on 10 August but they began an attack after a half hour lull, charging the western side of the perimeter and coming as close as fifty meters before being repulsed by the intense Allied tank and machine gun fire. Two more assaults were launched against the north and south sides of the perimeter during the next two hours, with several PAVN personnel coming within five meters of the position and one penetrating it before being bayoneted. Most of the PAVN personnel were dispatched or retreated, and by 06:00 their fire slackened and then stopped entirely. Soon afterwards, a combined tank-infantry patrol swept beyond the perimeter, encountering multiple PAVN personnel who fought to the death.Aftermath
During the battle, nearly 1,900 high-explosive rounds were expended by American and South Korean artillery from the 3rd Battalion base and Duc Co. The 9th Company's mortars fire 1,500 rounds, while the Pattons fired 24 high-explosive, 33 90 mm canister, and nearly 17,000 machine gun rounds. Estimated losses for the North Vietnamese was 197, from the 5th Battalion of the 88th Regiment. South Korean losses numbered seven killed, while no American were killed. Subsequent speculation by American intelligence analysts stated that the PAVN attack might have been a diversionary move to draw attention away from their units escaping from Paul Revere II through theReferences
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