Operation Oklahoma Hills

Operation Oklahoma Hills
Part of Vietnam War

Marines search for enemy supply caches during Operation Oklahoma Hills
Date31 March – 29 May 1969
Location
Result Allies claim operational success
Belligerents
 United States
 South Vietnam
Vietnam North Vietnam
Commanders and leaders
MG Ormond R. Simpson
Col. Robert L. Nichols

Units involved
United States 3rd Battalion, 1st Marines
7th Marine Regiment
3rd Battalion, 26th Marines
South Vietnam 51st Regiment
31st Regiment
141st Regiment
Casualties and losses
United States 44 killed US body count: 589 killed

Operation Oklahoma Hills was a clear and search operation during the Vietnam War mounted by the 1st Marine Division and the Army of the Republic of Vietnam (ARVN) 51st Regiment from 31 March to 29 May 1969.