This Order of Battle is provided by Richard A. Rinaldi.

You can find the source here:

http://www.gruntonline.com/Order%20of%20Battle/US%20Army/us_army_oob8.htm

 



US Army in Vietnam Order of Battle: Arrivals and Departures
9th Infantry Division
Submitted by Richard A. Rinaldi 1999
 

Activated 1 Feb 1966 for service in Vietnam and sent there Dec 1966 Jan 1967. The division served in III and IV CTZ, and its 2nd Brigade was the Army component of the Mobile Riverine Force. Division headquarters was at Bear Cat Dec 1966 Jul 1968 and Dong Tam Aug 1968 Aug 1969. The 9th Infantry Division began withdrawing in summer 1969, leaving its 3rd Brigade behind as a separate unit (under command of 25th Infantry Division) until Oct 1970.

bulletHq and Hq Coy, 9th Inf Div Dec 1966 Aug 1969
bulletHq and Hq Coy, 1st Bde, 9th Inf Div Jan 1967 Aug 1969
bulletHq and Hq Coy, 2nd Bde, 9th Inf Div Jan 1967 Jul 1969
bulletHq and Hq Coy, 3rd Bde, 9th Inf Div Dec 1966 Oct 1970*
bulletHq and Hq Bty, Div Artillery 19 Dec 1966 18 Aug 1969
bulletHq and Hq Coy, Div Support Command 19 Dec 1966 27 Aug 1969
bullet6th Bn/31st Inf Apr 1968 Oct 1970* Began with 3rd Bde
bullet2nd Bn/39th Inf Jan 1967 Aug 1969 Began with 1st Bde
bullet3rd Bn/39th Inf Jan 1967 Aug 1969 Began with 3rd Bde
bullet4th Bn/39th Inf Jan 1967 Jul 1969 Began with 1st Bde
bullet2nd Bn/47th Inf (Mech) Jan 1967 Oct 1970* Began with 2nd Bde
bullet3rd Bn/47th Inf (Riverine) Jan 1967 Jul 1969 Began with 2nd Bde
bullet4th Bn/47th Inf(Riverine) Jan 1967 Jul 1969 Began with 2nd Bde
bullet2nd Bn/60th Inf Dec 1966 Oct 1970* Began with 3rd Bde
bullet3rd Bn/60th Inf(Riverine) Dec 1966 Jul 1969 Began with 3rd Bde
bullet5th Bn/60th Inf (Mech)1 Dec 1966 Oct 1970* Began with 3rd Bde
bulletCoy E/50th Inf : Coy E/75th Inf2 Dec 1967 Aug 1969
bulletCoy E/75th Inf Oct 1969 Oct 1970*
bullet3rd Sqn/5th Cav Feb 1967 Nov 19713
bullet9th Avn Bn Jan 1967 Aug 1969
bullet2nd Bn/4th Art (105mm How) Jan 1967 Oct 1970*
bullet1st Bn/11th Art (105mm How) Jan 1967 Aug 1969
bullet3rd Bn/34th Art (105mm How) (Riverine) Dec 1966 Jul 1969
bullet1st Bn/84th Art (155mm How/8" How) Feb 1967 Aug 1969
bullet15th Engr Bn Oct 1966 Aug 1969
bullet571st Engr Coy Oct 1969 Oct 1970**
bullet9th Medical Bn 4 Jan 1967 18 Aug 1969
bullet9th Signal Bn 19 Dec 1966 19 Aug 1969
bullet9th Supply and Transport Bn 16 Dec 1966 23 Aug 1969
bullet709th Maint Bn 26 Jan 1967 20 Aug 1969
bullet9th Admin Coy 30 Dec 1966 26 Aug 1969
bullet9th MP Coy 19 Dec 1966 25 Sep 1969
bullet335th ASA Coy 12 Jan 1967 5 Apr 1971
bullet99th Support Bn 1 Oct 1969 12 Oct 1970**

* Remained as element of separate 3rd Brigade, 9th Infantry Division.

** Formed as element of separate 3rd Brigade, 9th Infantry Division.

Notes:

  1. Gave up mechanized equipment and converted to infantry Sep 1968

  2. Coy E/50th Infantry (LRP) inactivated 1 Feb 1969 and assets used to form Coy E/75th Infantry (Ranger).

  3. Remained with the separate 3rd Brigade, 9th Infantry Division until that unit left, then served as GHQ unit, moving to the I CTZ in the north.

ARRIVALS and DEPARTURES by BRIGADE

1st Brigade, 9th Inf Div Jan 1967 Aug 1969

bullet2nd Bn/39th Inf Jan 1967 Aug 1969
bullet4th Bn/39th Inf Jan 1967 Jan 1968
bullet2nd Bn(M)/47th Inf Jun 1967 May 1968
bullet2nd Bn/60th Inf Apr 1968 Nov 1968
bullet6th Bn/31st Inf Aug 1968 May 1970
bullet4th Bn/39th Inf [2] Dec 1968 Jul 1969
bullet3rd Bn/39th Inf Mar 1969 Aug 1969

2nd Brigade, 9th Inf Div Jan 1967 Jul 1969

bullet2nd Bn(M)/47th Inf Jan 1967 May 1967
bullet3rd Bn/47th Inf Jan 1967 Jul 1969 Riverine from Jun 1967
bullet4th Bn/47th Inf Jan 1967 Jul 1969 Riverine from Jun 1967
bullet3rd Bn/60th Inf Mar 1967 Jul 1969 Riverine from Jun 1967
bullet2nd Bn(M)/47th Inf [2] Jun 1968 Jul 1969

3rd Brigade, 9th Inf Div Dec 1966 Oct 1970

bullet2nd Bn/60th Inf Dec 1966 Mar 1968
bullet3rd Bn/60th Inf Dec 1966 Feb 1967
bullet5th Bn(M)/60th Inf Dec 1966 Oct 1970 gave up mechanized equipment Sep 1968
bullet3rd Bn/39th Inf Jan 1967 Feb 1969
bullet4th Bn/39th Inf Feb 1968 Nov 1968
bullet6th Bn/31st Inf Apr 968 Jun 1968
bullet2nd Bn(M)/47th Inf Aug 1968 Oct 1970
bullet2nd Bn/60th Inf [2] Dec 1968 Oct 1970
bullet6th Bn/31st Inf [2] Jun 1970 Oct 1970

The DS artillery battalions were shifted. 3rd/34th, for example, was initially in DS of 3rd Brigade, but then shifted to 2nd Brigade and the Riverine role. 2nd/4th was initially in DS of 2nd Brigade, but shifted to 3rd Brigade by the time it became a separate unit summer 1969. 1st/11th is also shown as having first served in DS of 2nd Brigade.

bullet2nd Bn/4th Art (105mm How) Jan 1967 Oct 1970*
bullet1st Bn/11th Art (105mm How) Jan 1967 Aug 1969
bullet3rd Bn/34th Art (105mm How) (Riverine) Dec 1966 Jul 1969

 


 

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