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Appendix J Tables of Organization Tables of Organization

None of the major units in Vietnam followed standard Marine Corps tables of organization (T/O), and many smaller units were also task-organized to adapt to the circumstances of the Vietnam war. This appendix contains tables of organization for selected types of units.

It is worth recalling that almost no unit in Vietnam was ever staffed exactly according to its T/O. The demands of sustained combat forced the Marine Corps to man some units, particularly headquarters units, considerably above their T/O. Almost every unit found that it had to detail some men to perform tasks for which the T/O had not provided. In general, most units were consistently manned well below their T/O strength. The Marine Division

The standard T/O for a Marine Division called for a headquarters battalion, three infantry regiments, an artillery regiment, a reconnaissance battalion, an antitank battalion, an engineer battalion, a service battalion, a motor transport battalion, a shore party battalion, and a medical battalion.

The organization of Marine divisions in Vietnam differed markedly from this standard organization, and also varied from time to time. By 1968, the service battalions had been transferred to the Force Logistic Command and the antitank battalions cadred. Units normally subordinate to the Fleet Marine Force commander, including tank battalions, amphibian tractor battalions, and force reconnaissance companies, had been attached. For most of 1968, both divisions included four infantry regiments, a reinforced artillery regiment, and additional motor transport and engineer battalions. The following diagram shows what a 'typical division looked like in Vietnam.' The exact units in a given division at any given time is in Appendix A, Marine Command and Staff List, January-December 1968.

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