Operation Somerset Plain

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Operation Somerset Plain
Part of
A Shau Valley, South Vietnam
Result U.S./ARVN claim victory
Belligerents  United States
 South Vietnam  North VietnamCommanders and leaders MG Richard G. Stilwell
MG Melvin Zais
COL Harold I. Hayward
Units involved United States 1st Brigade, 101st Airborne Division
South Vietnam 1st Division 816th Main Force Battalion
818th Main Force BattalionCasualties and losses United States 7 killed
South Vietnam 11 killed US/ARVN body count: 181 killed
4 captured

Operation Somerset Plain was a joint military operation conducted by the United States and the Army of the Republic of Vietnam (ARVN) in the A Sầu Valley from 4–20 August 1968.

Background

The A Sầu Valley was a vital corridor for moving military supplies coming from the

Ho Chi Minh Trail and was used by the People's Army of Vietnam (PAVN) as a staging area for numerous attacks in northern I Corps. Three months after the conclusion of Operation Delaware, MG Richard G. Stilwell, the U.S. Army deputy commander of III Marine Amphibious Force decided to mount another operation against the valley to disrupt the People's Army of Vietnam (PAVN) logistics network and forestall any attacks in I Corps.[1]
: 607 

Operation

A Radio repairman from HQs 2nd Battalion, 502nd Infantry, 101st Airborne Division, tests an AN/PRC 77, 7 August 1968

The assault into the A Sầu Valley was preceded by an artillery bombardment from Firebase Berchtesgaden and Firebase Georgia and B-52 and tactical fighter-bomber strikes while tear gas was dropped at three routes into the valley from Laos.[1]: 607–8 

On 4 August 1968 helicopters operating from Firebase Birmingham landed the first elements of the 1st Brigade, 101st Airborne Division in the valley near the abandoned A Lưới Camp. Resistance was light with only one helicopter gunship being forced down by PAVN fire. On 5 August elements of the ARVN 1st Division were landed in the southern part of the valley and on 6 August the elite ARVN Hac Bao (Black Panther) Reconnaissance Company arrived in the valley completing the deployment of forces.[1]: 608 

The U.S./ARVN forces proceeded to search the valley meeting only scattered resistance until 10/11 August when the ARVN 3rd Battalion, 1st Infantry Regiment was attacked by elements of the PAVN 816th and 818th Main Force Battalions. Air and artillery support was called in and the PAVN retreated into the jungle losing several dozen killed.[1]: 608 

Also on 10 August a misplaced air strike hit Company D, 2nd Battalion, 327th Infantry Regiment, killing seven and wounding fifty-four men.[1]: 608 

On 16 August, two Long-range reconnaissance patrol teams and elements of Company C, 326th Engineer Battalion, laid delayed fuse mines and sensors (connected to Firebase Berchtesgaden) at the western passes into Laos to impede and monitor PAVN movement.[1]: 608 

On 17 August the U.S./ARVN force began to be lifted out of the valley and this proceeded without PAVN interference, concluding on 20 August.[1]: 608 

Aftermath

U.S. losses were 7 killed, while ARVN losses were 11 killed, 8 of which were from a U.S. artillery round that fell short. US/ARVN forces claims the PAVN losses were 181 killed and 4 captured.[1]: 608 

Only a modest amount of supplies were located and destroyed, which suggested that the PAVN had still not recovered from the effects of Operation Delaware.[1]: 608–9 

References

Public Domain This article incorporates public domain material from websites or documents of the United States Army Center of Military History.

  1. ^
    ISBN 9780160942808.Public Domain This article incorporates text from this source, which is in the public domain
    .