Background
In 1968, Quảng Trị City was a small market town and the capital of Quảng Trị Province, the northernmost province of South Vietnam, bordering North Vietnam to the north, and Laos to the west. Like the old imperial capital at Huế, Quảng Trị City is located on Route 1. It is about inland from thePAVN/VC forces and plan of attack
The PAVN 812th Regiment (reinforced), of the 324th Division, was assigned the task of capturing and holding Quảng Trị City. Its three regular battalions, K-4, K-5, K-6, and the reinforcing 808th Main Force Battalion (or K8 battalion from the PAVN 90th Regiment) and 814th Main Force Battalion, both largely manned by North Vietnamese regulars, numbered about 400 to 500 men each. Along with a platoon of the 10th Sapper Battalion, and signal, reconnaissance and heavy weapons support companies, the reinforced regiment totaled about 2,700 troops. The PAVN plan called for the platoon from the 10th Sapper Battalion to infiltrate the city on the evening of 30/31 January to pave the way for a major assault by elements of the 812th Regiment. The K4 Battalion and the 814th Main Force Battalion would supply the primary assaulting forces. At 02:00 on the 31st the sappers would emerge from hiding to destroy key installations in the city. At the same time the K4 Battalion would attack from the east and the 814th Battalion from the northeast. A 122-mm. rocket battalion (probably from the 54th Artillery Regiment) and organic artillery would provide supporting fire for the attack. The K8 Battalion would position itself along Highway 1 just north of the city to block allied reinforcements coming from that direction. The K6 Battalion would assault the city from the southeast, block Highway 1 south of the city, and attack the headquarters of the ARVN 1st Infantry Regiment, 1st Division, at La Vang Base about a mile and a half south of the city. The 812th's K5 Battalion would remain in reserve in the village of Hải Lăng southeast of the city. Commandos from the 10th Sapper Battalion would also attack Landing Zone Jane south of La Vang to keep the American forces there tied down. The 814th and K4 Battalions would then occupy the city, and the remainder of the 812th Regiment would deploy in blocking positions in the surrounding area to prevent allied reinforcements. Given their failure to hold Quảng Trị City after overrunning and briefly occupying it in April 1967 despite committing a large force of about 2,500 men, the PAVN/VC became more aware of the difficulties of attacking and capturing the city. In the weeks before Tet, they had attempted to lure Allied forces from the coastal lowlands to the mountains by threatening several of the Marine combat bases along Highway 9 in the western part of the province. But while the U.S. Marines had shifted some forces to the besiegedDisposition of ARVN units
The brunt of the attack would fall on the ARVN forces in and around the city. These were the 1st Vietnamese Regiment, the 9th Airborne Battalion, anDisposition of American units
The 1st Brigade, 1st Cavalry Division commanded by Colonel Donald V. Rattan had been moved from near Huế and Phu Bai six days earlier to Quảng Trị Province, with its headquarters at Landing Zone Betty () two kilometers south of Quảng Trị City, with the bulk of its force at LZ Sharon, another kilometer south, in order to launch attacks on the PAVN/VC Base Area 101 roughly to the west-southwest. The brigade had an additional mission to block approaches into the city from the southwest but was primarily focused on its offensive mission. Accordingly, had quickly established two fire bases, one west of the city and another in the middle of the base areas in the hills west of Quảng Trị City. The 2nd Brigade of the 101st Airborne Division was also moved into Quảng Trị Province in late January, reinforcing the two brigades of the 1st Cavalry in the area.Battle
Assault on Quảng Trị City
The coordinated PAVN/VC assault was scheduled to begin at 02:00 on 31 January. The 10th Sapper began its attacks on time, but the arrival and attacks of the PAVN infantry and artillery units were delayed by at least two hours by heavy rains and swollen streams and their lack of familiarity with the geography of Quảng Trị Province, and they did not start to move into position until about 04:00. As a result, Regional and Popular Forces, local National Police elements, and elements of the 1st ARVN Regiment located within the city were able to respond to the sappers without having to contend with the main attack at the same time. As the 814th Battalion was moving into position to attack Quảng Trị from the northeast, it unexpectedly encountered the 9th ARVN Airborne company in Tri Buu village, which engaged it in a sharp firefight lasting about 20 minutes. The Airborne company was nearly annihilated and an American adviser killed, but its stubborn resistance stalled the 814th battalion's assault on the Citadel and the city. By 04:20, with an intense, sustained rocket and artillery barrage on the city, Citadel, and MACV compound, the heavy communist pressure and overwhelming numbers forced the few surviving South Vietnamese paratroopers to exfiltrate south along the river to join their comrades in the cemetery, and the 814th began a series of assaults on the Citadel, all of which failed. The initial assault by the K4 Battalion from the east was successful. Following the artillery barrage, as the 814th Battalion began its delayed assault on the Citadel, the battalion skirted the lower edge of Tri Buu Village and around the MACV compound and swarmed into the city, attempting to seize strong points and assaulting the Citadel from the south. South Vietnamese irregulars and National Policemen slowed the enemy’s advance, however, and its assaults on the southern wall of the Citadel were beaten back. Adding to its difficulties was the failure of an expected "general uprising" it had been told to expect. To the south, the PAVN K6 battalion slammed unexpectedly into the three Airborne companies resulting in an intense, extended firefight that lasted well into the 31st. Shortly after dawn the 1st Infantry Regiment commander ordered his battalions to recapture the city. His three battalions north of Quảng Trị City began marching toward the capital. Along the way, they collided with the 808th Battalion blocking Highway 1 near the Trieu Phong District headquarters which temporarily stopped their assault. At about the same time, ARVN troops at La Vang began moving north toward the fighting between the Airborne companies and the K6 Battalion in the cemetery south of the city, and were ambushed by the K6th, slowing their advance to a crawl, and they were unable to relieve the paratroopers. Only the K5 Battalion, holding its position in Hai Lang District well south of the city to block reinforcements from Huế, remained unengaged in the fighting.Engagement of American forces and counterattack
Shortly after noon on 31 January, Robert Brewer, the senior adviser to the military officer who was Province Chief of Quảng Trị, held a conference with Colonel Rattan, and the senior U.S. adviser to the Vietnamese 1st Regiment. The city's status was in the balance. The enemy had infiltrated at least a battalion into the city and its defending forces were in need of immediate assistance. At the time, it appeared that the communists reinforcing from the east and had established fire support positions on the eastern edge of the city. At the start of the attack, the ARVN 1st Regiment headquarters at La Vang and Col. Rattan's headquarters at Landing Zone Betty south of La Vang came under sporadic rocket and mortar attacks and ground assaults by elements of the 10th Sapper Battalion, while extremely heavy fog hampered visibility. The fog also prevented shifting the 1st Battalion, 8th US Cavalry Regiment's base camp in the mountains west of Quảng Trị. The 1st Battalion,Aftermath
The rapid defeat of the regimental-size enemy force that assaulted Quảng Trị City proved to be one of the most decisive victories the Allies secured during the Tet Offensive. Aside from mopping up operations in the countryside, it was effectively over less than twenty-four hours after it had begun. Most elements of the 812th PAVN Regiment were so badly mauled that they avoided all contact for the next several weeks, when they otherwise might have played a role in the battle for Battle of Huế to the south. Losing the province capital would have been a severe blow to South Vietnamese morale, and PAVN units could have caused extensive damage to nearby ARVN and American bases had they captured long range ARVN artillery pieces in the Citadel. They would also have cut off resupply traffic on Highway 1 to allied forces along the DMZ and the Marines at Khe Sanh. The PAVN/VC's swift defeat preserved an important symbol of South Vietnamese national pride and allowed the allies to devote more resources to other battles in northern I Corps, particularly to the struggle for Huế.See also
* First Battle of Quảng Trị * Second Battle of Quảng TrịReferences
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