Assigned, Attached, and Supporting Units

 •   World War I    •   World War II    •   Vietnam    •   1972-1992   • 

Division Headquarters

17th Infantry Brigade
      45th Infantry Regiment
      67th Infantry Regiment
      26th Machine Gun Battalion

18th Infantry Brigade
      46th Infantry Regiment
      68th Infantry Regiment
      27th Machine Gun Battalion

Ninth Field Artillery Brigade
       25th Field Artillery (Light)
       26th Field Artillery (Light)
       27th Field Artillery  (Heavy)
       Ninth Trench Mortar Battery

25th Machine Gun Battalion
209th Engineers
209th Field Signal Battalion

Division Trains
      HQ Train and Military Police Company
      Ninth Sanitary Train
      Ninth Motor Supply Train
      Ninth Ammunition Train

39th Infantry Regiment
47th Infantry Regiment
60th Infantry Regiment
15th Engineer Combat Battalion
9th Reconnaissance Troop (Mechanized)

9th Division Artillery
26th Field Artillery Battalion (105mm Howitzer)
34th Field Artillery Battalion (155mm Howitzer)
60th Field Artillery Battalion (105mm Howitzer)
84th Field Artillery Battalion (105mm Howitzer)
42nd AAA Battalion **

Special Troops

Band
9th Medical Battalion
9th Signal Company
Military Police Platoon
Headquarters Company
9th Quartermaster Company
709th Ordnance Light Maintenance Company

746th Tank Battalion
61st Tank Battalion  ** 
899th Tank Destroyer Battalion
894th Tank Destroyer Battalion
376th AAA (AW) Battalion

For a complete list of attached and detached units,
Read this document at the Center for Military History

**  Indicates units assigned during post-war period

Headquarters

HQ & HQ Company, 9th Infantry Division
     HQ & HQ Company, 1st Brigade
     HQ & HQ Company, 2nd Brigade
     HQ & HQ Company, 3rd Brigade
     HQ & HQ Battery, 9th Infantry Division Artillery
     HQ & HQ Company and Band, DISCOM
     HQ & HQ Company, 214th Combat Aviation Battalion

Division Infantry

6th Battalion, 31st Infantry

39th Infantry Regiment

     2nd of the 39th Infantry
     3rd of the 39th Infantry
     4th of the 39th Infantry

47th Infantry Regiment

     2nd of the 47th Infantry
     3rd of the 47th Infantry
     4th of the 47th Infantry

60th Infantry Regiment

     2nd of the 60th Infantry
     3rd of the 60th Infantry
     5th of the 60th Infantry
     (1st Bn, 16th Inf redesignated 5th Bn, 60th Inf. 10-21-68 )

43rd Infantry Platoon (Scout Dog)
45th Infantry Platoon (Scout Dog)
65th Infantry Platoon (Combat Tracker)

Division Reconnaissance

3rd Squadron, 5th Cavalry
Company E, 50th Infantry (Airborn LRP)
Company E, 75th Infantry (Ranger)

Division Artillery

2nd Battalion, 4th Artillery (105mm)
1st Battalion, 11th Artillery (105mm)
3rd Battalion, 34th Artillery (105mm) (Riverine)
1st Battalion, 84th Artillery (155mm)
Battery C, 5th Battalion (AW)(SP), 2nd Artillery (40mm "Dusters")
6th Battalion, 77th Artillery
Battery H (Searchlight), 29th Artillery

Division Aviation

9th Aviation Battalion
191st Assault Helicopter Company
240th Assault Helicopter Company
162nd Assault Helicopter Company
D Troop 3rd Squadron, 5th Cavalry
A Troop 3rd of the 17th Cavalry
B Troop 3rd of the 17th Cavalry
A Troop 7th of the 1st Cavalry
C Troop 7th of the 1st Cavalry
361st Aviation Support Detachment

Division Support

15th Engineer Battalion
86th Engineer Battalion
93rd Engineers
69th Engineers
46th Engineer Detachment (Rach Kien)
9th Signal Battalion
9th Medical Battalion
9th Chemical Company
9th Military Police Company
709th Maintenance Battalion
9th Administration Company
9th Supply and Transport Battalion
99th Support Battalion
9th Military Intelligence Detachment
493rd Military Intelligence Detachment
584th Military Intelligence Detachment
1097th Transportation Company (Medium Boat)
Armor Platoon, Air Cushion Vehicle
39th Chemical Detachment
335th Radio Research Company
19th Military History Detachment
18th Public Information Detachment
19th Public Information Detachment
10th Psychological Operations (PSYOPS) Battalion
22nd Public Information Detachment
OL5, 5th Weather Squadron, U.S. Air Force
14th Military Intelligence Detachment (ARVN)
Vietnamese Interpreters (ARVN)
Tiger Scouts
361st Avation Detachment, 165th Aviation Combat Group
9th Infantry Division Detachment, U.S. Army Special Security Group
9th Infantry Division Tactical Air Control Party, 19th Tactical Air Support Squadron, U.S. Air Force
USASSD ACSI, DA

HQ & HQ Co. 9th Infantry Division

     HQ & HQ Co. 1st Brigade
          2nd Batallion, 1st Infantry
          2d Battalion, 39th Infantry
          3d Battalion, 39th Infantry

     HQ & HQ Co. 2nd Brigade
          2d Battalion (Mech), 60th Infantry
          3d Battalion, 60th Infantry
          2d Battalion, 77th Armor

     HQ & HQ Co. 3rd Brigade
          2d Battalion, 2d Infantry
          2d Battalion, 47th Infantry
          3d Battalion, 47th Infantry

     HQ & HQ Battery, 9th Infantry Division Artillery
          2d Battalion, 4th Field Artillery
                         Note: 2/4th colors cased in 1987 and unit redesignated 6/11th FA
          6th Battalion, 11th Field Artillery
          1st Battalion, 11th Field Artillery
          3d Battalion, 34 Field Artillery
          1st Battalion, 84th Field Artillery
          E Battery, 333rd Field  Artillery

     Division Support Command
          9th Division Band
          9th Adjutant General Company
          9th Finance Company
          9th Chemical Company
          9th Medical Battalion
          9th Signal Battalion
          9th Supply & Transportation Battalion
          9th Military Police Company
          14th Military Police Company
          709th Maintenance Battalion
          525th AG (Replacement) Detachment
          100th Ordnance Detachment
          Division Material Management Center
          1st Forward Support Battalion
          3rd Forward Support Battalion
          99th Support Battalion
          109th Support Battalion
          709th Support Battalion
          209th Support Battalion

         

     15th Engineer Battalion
     73rd Engineer Company
     73rd Chemical Company
     164th Chemical Company
     81st Chemical Detachment

     9th Aviation Battalion
     214th Attack Helicopter Battalion 
     268th Attack Helicopter Battalion 

     2nd  Battalion, 23rd Infantry
     4th  Battalion, 23rd Infantry

     9th Cavalry Brigade (Air Attack)
     3d Squadron, 5th Cavalry

     Company B, 75th Infantry (Ranger)
     Company E (LRSC), 60th Infantry
     109th Military Intelligence Battalion

     9th Division Air Defense Artillery (Prov.) 
     1st Battalion, 67th Air Defense Artillery (Chapparal/Vulcan)
     1st Battalion, 44th Air Defense Artillery (Vulcan/Stiger)
     1st Battalion, 4th Air Defense Artillery
     
Note: If any units are missing or misnamed, please advise.

 •   World War I    •   World War II    •   Vietnam    •   1972-1992   • 

Copyright 2000   Leon Baldwin