Formations of the United States Army during the Vietnam War
The following is a list of units of the United States Army during the Vietnam War.
Active Duty Divisions and Brigades in Theater
AirMobile Divisions
Infantry Divisions
1st Infantry Division
4th Infantry Division
9th Infantry Division
23rd Infantry Division
25th Infantry Division
Independent Brigades
- 1st Brigade, 5th Infantry Division
- 1st Aviation Brigade
- 1st Signal Brigade
- 3rd Brigade, 82nd Airborne Division
- 11th Armored Cavalry Regiment
- 11th Infantry Brigade
- 18th Military Police Brigade
- 44th Medical Brigade
- 173rd Airborne Brigade
- 196th Infantry Brigade
- 198th Infantry Brigade
- 199th Infantry Brigade
- 18th Engineer Brigade (combat)
- 20th Engineer Brigade
- 223rd Aviation Brigade
Active Duty Divisions not in Theater
Armored Divisions
Infantry Divisions
- 2nd Infantry Division
- 3rd Infantry Division
- 7th Infantry Division
- 8th Infantry Division
- 24th Infantry Division
- 10th Mountain Division