Operation Swift

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Operation Swift was a military operation that took place in the Vietnam War. It was a search and destroy mission in the Que Son Valley carried out by the 1st Marine Division. Launched on September 4, 1967 the ensuing battles killed 114 Americans and an estimated 376 North Vietnamese. The operation ended September 15.

The Que Son Valley is located along the border of Quang Nam and Quang Tin provinces. During the Vietnam War it lay in the southern part of South Vietnam's I Corps Military Region.

Populous and rice-rich, the valley was viewed as one of the keys to controlling South Vietnam's five northern provinces by the communists and by early 1967 at least two regiments of the 2nd Division of the People’s Army of Vietnam (PAVN, known to the U.S. Army as the North Vietnamese Army or NVA) had been infiltrated into the area. The Que Son Valley was also recognized as strategically important by the U.S. Military Assistance Command, Vietnam (MACV). The 5th Marine Regiment, which had deployed to Vietnam in the Summer of 1966, was assigned to the valley in 1967 to support the outnumbered South Vietnamese Army (ARVN) forces there.

In the Spring and Summer of 1967 MACV launched Operations Union and Union II with the goal of sweeping the NVA from the southern rim of the Que Son Valley. Several bitter and costly battles forced the PAVN 2nd Division to cede control of area to the 5th Marines. Two Battalions of the 5th Marines continued to operate in the valley throughout rest of the Summer but did not patrol aggressively and were not molested by the communist forces, who were regrouping. During the lull the PAVN 2nd Division rebuilt its strength to a force of three regular regiments and was reinforced by the Viet Cong (VC, or more properly National Liberation Front or NLF) 1st Regiment, a full-time main force unit.

In early August Major General Don Robertson, commanding the 1st Marine Division, turned his attention to the Que Son Valley following several major operations around Da Nang. In an attempt to draw the PAVN into another destructive confrontation Robertson launched Operation Cochise on August 11. However the PAVN largely managed to avoid contact with the three Marine battalions tasked with the operation which ended on August 28 with only modest results.

Sweep operations were then initiated to shield the local populace from intimidation during upcoming elections. Operation Swift, intended to be the fourth and the last of the 1967 operations in the Que Son Valley, began unofficially the morning of September 4 when Delta Company, 1st Battalion 5th Marines (1/5) was attacked before dawn by a superior PAVN force while setup in a night-time defensive perimeter next to the village of Dong Son.

The local Marine battalion commander reacted by sending 1/5's Bravo Company to Delta’s relief, but it was too small to handle the PAVN force. With Bravo and Delta companies heavily engaged, Mike and Kilo companies from the adjacent 3rd Battalion, 5th Marines (3/5) were sent to relieve them. Ambushed and aggressively attacked, these two companies were also pinned down in separate enclaves by the early afternoon. During the fighting Sergeant Lawrence Peters won a posthumous Medal of Honor for leading his men in repulsing repeated attempts to overrun his position. Navy Chaplain Lieutenant Vincent Capodanno was also awarded a posthumous Medal of Honor for his efforts in pulling wounded men to safety in face of overwhelming enemy fire.

Marine artillery fire and Marine jet fighter-bombers prevented the Marine infantry companies from being overrun. A Marine A-6 silenced an anti-aircraft gun emplacement, allowing more air support against PAVN positions, and a fresh Marine company launched a dawn counterattack September 5. This pressed the PAVN into breaking contact. With all engaged companies now relieved Colonel Stanley Davis, commanding the 5th Marines, ordered 1/5 and 3/5 to pursue the withdrawing PAVN. This officially began Operation Swift.

In the early afternoon of September 6 two battalions of the NLF 1st Regiment attacked Bravo company, the lead company of the 1st Battalion. Bravo 1/5 was isolated and nearly overrun but held when Marine artillery rained tear gas around their position. Sergeant Rodney M. Davis, Platoon Guide of 2nd Platoon, Bravo Company, purposely absorbed the force of an NVA grenade to protect the lives of other Marines during that fight. Sergeant Davis was posthumously awarded the Medal of Honor for this action.

The nearby 3rd Battalion was also heavily engaged a few hours later. India Company, dispatched to attack a hill held by the enemy, was isolated and nearly overrun by the NLF 1st Regiment's previously uncommitted 3rd Battalion. Kilo Company fought through the NLF and relieved India but the two companies were then found to have too many casualties to move. Two determined night assaults by the NLF were repulsed, and Mike Company eventually fought through against weakening opposition as the NLF withdrew.

As the enemy withdrew, the Marine battalions continued to press them in a series of bitter engagements. By September 15, the PAVN 2nd Division and NLF 1st Regiment had largely given up contesting the southern half of the Que Son Valley. The area remained quiet from then until the Marines turned all of southern I Corps over to the U.S. Army at the beginning of 1968. U.S. intelligence agencies later determined that the two enemy regiments that had been most active during Operation Swift were subsequently unfit for combat.

As Operation Swift concluded large U.S. Army units arrived in southern I Corps, allowing the 1st Marine Division to base a substantial force in the Que Son Valley on a permanent basis.

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