The Four Tactical Zones in South Vietnam

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PBS Learning Media
The Four Tactical Zones in South Vietnam
South Vietnam had been divided into four tactical zones. By the summer of 1967, American troops were fighting in all four of them. But some of the most intense combat took place in I Corps, made up of the five northernmost provinces of South Vietnam, where the Marines bore the brunt of the fighting. General Westmoreland insisted they move further north in I Corps and establish bases close to the DMZ. This brought them within close range of highly accurate North Vietnamese artillery and rocket launchers hidden within the DMZ.
NOTE: This video is part of a lesson plan titled The Theory and Reality of a War Strategy.