South Vietnam was divided into four military regions known as Corps Tactical Zones, each defining command structure, troop deployment, and strategic operations during the Vietnam War.
South Vietnam was divided into four military regions known as Corps Tactical Zones, each defining command structure, troop deployment, and strategic operations during the Vietnam War.
Five northernmost provinces, including Huế and Đà Nẵng. Primary frontline region bordering North Vietnam.
The Central Highlands, spanning twelve provinces. Largest corps area, dominated by rugged terrain and supply routes.
Densely populated region surrounding Saigon. Contained the capital, 90% of industry, and over one-third of the population.
Sixteen southern provinces of the Mekong Delta. Known as the nation’s rice-producing heartland.
US / Allied / South Viet / VC-NVA
3rd Marine Division
1st Marine Division
1st Marine Air Wing
36th Tactical Fighter Wing America! Division
3rd Brigade of 4th Infantry Division
196th and 198th Light Infantry Brigades
11th Infantry Brigade
3rd Brigade of 1st Cavalry Division (Airmobile) also attached
1st Division
51st Regiment
2nd Division
ROK 2nd Marine Brigade
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NVA 324th B Division
NVA 325th Division
Elements of NVA 341st Division
NVA 368th B Regiment
Two Rocket Artillery Battalions
NVA 2nd Division
NVA 3rd Division
NVA 3rd Division
NVA 1st Division
NVA 5th Division
VC 5th Division
VC 9th Division
VC 7th Division
Five VC Main-Force Battalions
Six VC Main-Force Battalions
Elements of 9th Infantry Division
Delta Helicopter Aviation Battalion
ISE Headquarters for Navy River Corps Patrol Boats, Seal Teams, Junk Forces; Army Special Forces
7th Division
9th Division
21st Division
1st Brigade of 4th Infantry Division
Elements of 2nd Brigade 4th Infantry Division
Elements of 173rd Airborne Brigade
Elements of 1st Cavalry Division (Airmobile)
2nd Brigade of 4th Infantry Division
Elements of 25th Infantry Division
Elements of 1st Cavalry Division (Airmobile)
1st Tactical Fighter Wing
1st Field Force Headquarters
5th Special Forces Group Headquarters
Army Engineer Command
12th Tactical Fighter Wing
483rd Troop Carrier Wing
35th Tactical Fighter Wing
Elements of 101st Airborne Division
22nd Division
23rd Division
ROK Capital Division
ROK White Horse Division
Royal Australian Air Force Squadron
1st Infantry Division
11th Armored Cavalry Regiment
3rd Tactical Fighter Wing
1st Brigade of 101st Airborne Division
199th Light Infantry Brigade
Elements of 9th Infantry Division
25th Infantry Division
5th Division
18th Division
25th Division
Royal Thai Queen’s Cobra Regiment
Republic of Philippines Contingent
2nd and 7th Battalions of Royal Australian Regiment, 1st Australian Task Force
New Zealand Artillery Battery
