Order of Battle

UNIT DESIGNATION

DATES WITH DIVISION

FINAL DISPOSITION

ASSIGNED UNITS

3AD Headquarters Company 15 Apr 41- 10 Nov 45 Inactivated
3d Armored Brigade HQ Company 15 Apr 41- 01 Jan 42 Inactivated
Combat Command A HQ Company  01 Jan 42- 10 Nov 45 Inactivated
Combat Command B HQ Company  01 Jan 42- 10 Nov 45 Inactivated
Division Artillery HQ Battery 15 Apr 41- 10 Nov 45 Inactivated
Division Trains HQ Company 01 Jan 42- 10 Nov 45 Inactivated
2d Armored Regiment 15 Apr 41- 08 May 41 Redesignated 32d Armored Regiment
3d Armored Regiment 15 Apr 41- 08 May 41 Redesignated 33d Armored Regiment
4th Armored Regiment 15 Apr 41- 08 May 41 Redesignated 40th Armored Regiment
32d Armored Regiment 08 May 41- 10 Nov 45 Inactivated
33d Armored Regiment 08 May 41- 10 Nov 45 Inactivated
40th Armored Regiment 08 May 41- 01 Jan 42 Inactivated
36th Armored Infantry Regiment 15 Apr 41- 10 Nov 45 Inactivated
67th Field Artillery Regiment 15 Apr 45- 01 Jan 42 Dissolved to form the 67th & 391st AFABs
54th Field Artillery Battalion 15 Apr 41- 10 Nov 45 Inactivated
67th Field Artillery Battalion 01 Jan 42- 10 Nov 45 Inactivated
391st Field Artillery Battalion 01 Jan 42- 10 Nov 45 Inactivated
3d Reconnaissance Battalion 15 Apr 41- 08 May 41 Redesignated 83d Recon Bn
83d Reconnaissance Battalion 08 May 41- 10 Nov 45 Inactivated
23d Engineer Battalion 15 Apr 41- 10 Nov 45  Inactivated
15th Quartermaster Battalion 15 Apr 41- 01 Jan 42 Inactivated
18th Ordnance Battalion 15 Apr 41- 01 Jan 42 Inactivated
3AD Maintenance Battalion 01 Jan 42- 10 Nov 45 Inactivated
3AD Supply Battalion 01 Jan 42- 10 Nov 45 Inactivated
45th Medical battalion 15 Apr 41- 10 Nov 45 Inactivated
46th Signal Company 15 Apr 41- 07 Aug 41 Redesignated 143d Signal Company
143d Signal Company 07 Aug 41- 10 Nov 45 Inactivated

ATTACHED UNITS

503d Counter-Intelligence Corps Detachment 26 Dec 42- 10 Nov 45  
486th Anti-Aircraft Artillery Battalion 25 Jun 44- 09 May 45  
703d Tank Destroyer Battalion 25 Jun 44- 17 Dec 44 & 02 Jan 45- 09 May 45  
803d Tank Destroyer Battalion 25 Jun44- 02 Jul 44  
967th Field Artillery Battalion 29 June 44- 30 June 44  
413th Anti-Aircraft Artillery Battalion 07 Jul 44- 16 Jul 44  
963d Field Artillery Battalion 07 Jul 44- 09 Jul 44  
258th Field Artillery Battalion 08 Jul 44- 10 Aug 44  
113th Cavalry Group 08 Jul 44- 10 Aug 44  
87th Field Artillery Battalion 09 Jul 44- 28 Aug 44  
991st Field Artillery Battalion 12 August- 20 Sept 44, 21 Dec 44- 31 Dec 44, 02 Jan 45- 11 Jan 45, 25 Feb 45- 09 Mar 45, 29 Mar 45- 01 Apr 45, 06 Apr 45- 13 May 45  
3d Battalion, 60th Infantry Regiment 13 Aug 44- 15 Aug 44  
2d Battalion, 60th Infantry Regiment 17 Aug 44- 19 Aug 44  
58th Field Artillery Battalion 8 Jul 44- 10 Aug 44, 18 Aug 44- 01 Oct 44  
1st Battalion, 26th Infantry Regiment 3 Sep 44- 25 Sep 44  
47th Infantry Regiment 06 Sep 44- 10 Sep 44, 11 Apr 45- 12 Apr 45  
47th Regimental Combat Team 25 Oct 44- 10 Nov 44  
294th Engineer Battalion 25 Oct 44 – 09 Nov 44  
84th Field Artillery Battalion 24 Oct 44- 11 Nov 44  
298th Engineer Battalion  09 Nov 44- 26 Nov 44, 27 Dec 44- 30 Dec 44  
2d Battalion, 47th Infantry Regiment 24 Nov 44- 26 Nov 44  
Company A, 738th Tank Battalion 06 Dec 44- 15 Jan 45  
1st Battalion, 60th Infantry Regiment 11 Dec 44- 12 Dec 44  
83d Armored Field Artillery Battalion 20 Dec 44- 31 Dec 44, 02 Jan 45- 10 May 45  
1st Battalion, 517th Parachute Infantry Regiment 22 Dec 44- 26 Dec 44  
643d Tank Destroyer Battalion 22 Dec 44- 26 Dec 44  
290th Regimental Combat Team 23 Dec 44- 31 Dec 44  
188th Field Artillery Battalion 23 Dec 44- 31 Dec 44, 29 Mar 45- 08 Apr 45  
509th Parachute Infantry Battalion 23 Dec 44- 29 Dec 44  
289th Regimental Combat Team 24 Dec 44- 29 Dec 44  
Companies A & C, 87th Chemical Battalion 24 Dec 44- 31 Dec 44  
Company B, 297th Engineer Battalion 27 Dec 44- 30 Dec 44  
2d Battalion, 112th Infantry Regiment 28 Dec 44- 30 Dec 44  
331st Infantry Regiment 29 Dec 44- 31 Dec 44  
330th Infantry Regiment 01 Jan 45- 18 Jan 45  
183d Field Artillery Battalion 02 Jan 45- 11 Jan 45, 12 Jan 45- 20 Jan 45, 25 Feb 45- 24 Apr 45  
2d Platoon, Company B, 635th Tank Destroyer Battalion 15 Jan 45- 20 Jan 45  
Battery A, 991st Field Artillery Battalion 17 Jan 45- 19 Jan 45  
1st & 3d Platoons, Company B, 738th Tank Battalion 12 Jan 45- 17 Jan 45  
335th Infantry Regiment 16 Jan 45- 21 Jan 45  
13th Infantry Regiment 26 Feb 45- 17 Mar 45  
395th Regimental Combat Team 28 Feb 45- 02 Mar 45  
4th Cavalry Group 28 Feb 45- 1 Mar 45, 3 Mar 45- 8 Mar 45  
3d Battalion, 13th Infantry Regiment 17 Mar 45- 19 Mar 45  
1st Battalion, 18th Infantry Regiment 11 Apr 45- 25 Apr 45  
Battery A, 13th Field Artillery Observation Battalion 17 Apr 45- 23 Apr 45  
60th Infantry Regiment 22 Apr 45- 24 Apr 45