| Operation Somerset Plain | |||||||
|---|---|---|---|---|---|---|---|
| Part of Vietnam War | |||||||
 UH-1D loaded with supplies at Firebase Berchtesgaden, 7 August 1968 | |||||||
| |||||||
| Belligerents | |||||||
 United States South Vietnam |
 North Vietnam | ||||||
| Commanders and leaders | |||||||
|
MG Richard G. Stilwell MG Melvin Zais COL Harold I. Hayward |
| ||||||
| Units involved | |||||||
|
1st Brigade, 101st Airborne Division 1st Division |
816th Main Force Battalion 818th Main Force Battalion | ||||||
| Casualties and losses | |||||||
|
7 killed 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.