Part of the Vietnam War (1969)
| Operation Idaho Canyon | |||||||
|---|---|---|---|---|---|---|---|
| Part of Vietnam War | |||||||
 3/3 Marines cross a stream near Mutter's Ridge | |||||||
| |||||||
| Belligerents | |||||||
 United States |
 North Vietnam | ||||||
| Commanders and leaders | |||||||
|
MG William K. Jones Col. Wilbur F. Simlik |
| ||||||
| Units involved | |||||||
|
1st Battalion, 3rd Marines 2nd Battalion, 3rd Marines 3rd Battalion, 3rd Marines Company I, 3rd Battalion, 4th Marines 1st Battalion, 11th Infantry Regiment Company C, 1st Battalion, 77th Armored Regiment | 9th Regiment, 304th Division | ||||||
| Casualties and losses | |||||||
|
|
US body count: 563 killed 201 weapons recovered | ||||||
Operation Idaho Canyon was a United States Marine Corps operation in north-central Quảng Trị Province, South Vietnam from 21 July to 25 September 1969.