| Operation Concordia Square | |||||||
|---|---|---|---|---|---|---|---|
| Part of May Offensive of the Vietnam War | |||||||
 Company "B" 1st Battalion, 5th Cavalry Regiment supported by Marine M48s search for PAVN, 16 May 1968 | |||||||
| |||||||
| Belligerents | |||||||
| United States | North Vietnam | ||||||
| Commanders and leaders | |||||||
|
MG Rathvon M. Tompkins Col Robert N. Mackinnon | |||||||
| Units involved | |||||||
| 2nd Brigade, 1st Cavalry Division | 48th Regiment, 320th Division | ||||||
| Casualties and losses | |||||||
| 28 killed |
U.S. body count: 347 killed 15 captured | ||||||
Operation Concordia Square was an operation conducted by the United States Army 2nd Brigade, 1st Cavalry Division south of the Vietnamese Demilitarized Zone in Quảng Trị Province. The operation ran from 8 to 17 May 1968.