| Operation Macon | |||||||
|---|---|---|---|---|---|---|---|
| Part of Vietnam War | |||||||
 A Marine on patrol during Operation Macon | |||||||
| |||||||
| Belligerents | |||||||
 United States |
 Viet Cong | ||||||
| Commanders and leaders | |||||||
|
Col. Drew J. Barrett Maj. George H. Grimes |
| ||||||
| Units involved | |||||||
|
3rd Battalion, 9th Marines 1st Battalion, 3rd Marines 3rd Battalion, 3rd Marines | R-20 Battalion | ||||||
| Casualties and losses | |||||||
| 24 killed | US body count: 380 killed | ||||||
Operation Macon was a US Marine Corps search and destroy operation in western Quảng Nam Province, lasting from 4 July to 28 October 1966.