AGF Study, NO. 8: Reorganization of Ground Troops for Combat
Annex VI
COMPOSITION OF THE THIRD ARMY
10 November 1943
To illustrate army and corps organization in the Army Ground Forces
Branch 
Army Troops 
Corps in Third Army 


IX Corps  X Corps  XVIII Corps  XIX Corps  VIII Corps  
1 Cav Div  6 Inf Divs  4 Inf Divs 
2 Inf Divs 
2 Inf Divs 2 Armd Divs 


Antiaircraft 
2 Brig Hqs 




Armored 
1 Tank Grp Hq 3 Tank Bns 
1 Tank Grp Hq 1 Tank Bn 
2 Tank Bns 
5 Tank Bns 
2 Tank Bns 

Cavalry 
1 Brig  1 Regt Mecs 
1 Regt Mecs 
1 Regt Mecs 


Chemical 
5 Decon Cos 

2 Chem Bus. Mts 


Engineers 
2 Combat Grp Hqs 1 Bn Sep 5 Combat Bns 5 Hvy Pont Bns 1 Top Bn 1 Water Supply Bn 2 Cam Cos 1 Depot Co 1 Dp Trk Co 2 Lt Equip Cos 2 Maint Cos 1 Top Co Corps 1 Treadway Bridge Co 
3 Combat Grp Hqs 9 Combat Bns 1 Combat Co Sep 3 Lt Equip Cos 1 Lt Pont Co 2 Maint Cos 1 Top Co Corps 
2 Combat Grp Hqs 
2 Combat Grp Hqs 
1 Top Co Corps 1 Treadway Bridge Co 

Field Artillery 
1 Grp Hq 2 155mm How Bns 
1 Hq IX Corps Arty 
1 Hq IX Corps Arty 
1 Hq XVIII Corps Arty 2 Grp Hqs 1 Obsn Bn 2 155mm Gun Bns 2 155mm How Bns 4 4.5" Gun Bns 
1 Hq XIX Corps Arty 4 Grp Hqs 2 155mm Gun Bns 4 155mm How Bns 
1 Hq VIII Corps Atry 1 Obsvn Bn 
Infantry 
2 Inf Regts 

2 Armd Inf Bns  
Medical 
4 Grp Hqs 
1 Bn Hq 1 Amb Co 1 Clearing Co 2 Coll Cos 


Military Police 
3 MP Bns 

2 MP Cos 

Ordnance 
2 Am Bns 1 Ord Bn 20 Hqs Ord Bn 8 Am Cos 8 Dep Cos 2 Evac Cos 7 Hv Auto Maint Cos 10 Hv Maint Cos (Field Army) 4 Hv Maint Cos (Tank) 1 Lt Maint Co 1 Maint Co (AA) 13 Med Auto Maint Cos 13 Med Maint Cos 


Quartermaster 
1 Trk Regt 




Signal 
1 Armored Sig Bn 2 Cons Bns 2 Opn Bns 1 Cons Co 1 Dep Co 2 Opn Co 2 Pigeon Cos 1 Photo Co 2 Repr Cos 
2 Sig Bns 1 Rad Intell Co 
1 Sig Bn 
2 Sig Bns 1 Rad Intell Co 

Tank Destroyer 
1 Brig Hqs  1 Gro Hqs 5 TD Bns 
2 Grp Hqs 
2 Grp Hqs 5 TD Bns 
1 Grp Hqs 5 TD Bns 

Miscellaneous 
7 Bands 14 Hq Special Troops 1 MRU (Fixed) 
1 MRU (Mob)  1 MRU (Mob) 
1 MRU (Mob)  1 MRU (Mob) 

Source: 320.2 Assignment Lists (R). 

Historical Section 
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Last updated 15 March 2006 