Military Wiki
II Field Force, Vietnam
II Field Force Vietnam SSI.svg
II Field Force, Vietnam shoulder sleeve insignia
Active 1966–1971
Country United States
Allegiance U.S. Army
Type Command
Size Corps
Part of Patch of Military Assistance Command, Vietnam.png Military Assistance Command, Vietnam
Headquarters Long Binh
Engagements Vietnam War
Julian Ewell
Distinctive unit insignia II Field Force Vietnam DUI.gif

II Field Force, Vietnam was a United States Army Corps-level command during the Vietnam War.

Activated on 15 March 1966, it became the largest corps command in Vietnam and one of the largest in Army history. II Field Force was assigned the lineage of the XXII Corps, a World War II corps in the European Theater of Operations. II Field Force was a component of U.S. Military Assistance Command Vietnam (MACV) and had its headquarters in Long Binh.

Area of Responsibility[]

II Field Force's area of responsibility was III Corps Tactical Zone, later renamed Military Region 3, which comprised eleven provinces surrounding Saigon. This was designed to mimic the ARVN III Corps region. II Field Force controlled units participating in the 1968 Tet Offensive and the 1970 Cambodian Incursion.

Units Assigned[]

At various times during the Vietnam War, II FFV controlled the following units:

II Field Force Vietnam Headquarters Elements:

  • HHB, II FFV Artillery
  • 303rd ASA Battalion
  • 6th Psychological Operations Battalion
  • 2nd Civil Affairs Company
  • 552 Military Police Company
  • 9th Transportation Company
  • 44th Army Postal Company
  • 29th Chemical Detachment
  • 61st Medical Detachment (MB)
  • 7th Military History Detachment
  • 219th Military Intelligence Detachment
  • 14th Public Information Detachment
  • 16th Public Information Detachment


II Field Force was de-activated on 2 May 1971, during the withdrawal of U.S. ground combat forces from Vietnam, with its assets providing the basis for its successor, Third Regional Assistance Command (TRAC).




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