1. Corps Support (Provisional)

Up to:

3 AA Companies@

CHQ: 1 rifle sqd, 2 trucks
3 platoons@ 4x 37mm M1 or 40mm L60 Bofors, 4 trucks

6 Cavalry Troops@

THQ: 1x M3A1 White S/C, 3x M6 GMC
3 platoons@
1 section: 6x Jeep/.50"
1 section: 3x M3A1 S/C, 1x 37mm M3A1 A/T gun, 3(6 man) rifle crew sqds, 2 bazookas

2 Cavalry Support Troops@

THQ: 2x M2 H/T, 1 rifle sqd
3 platoons@ 3x T-30 GMC, 1x M2 H/T

4 Field Artillery Battalions@

BHQ: 6 Carbine sqds, 8 lorries
3 batteries@ 4x 105mm M2A1, 4 trucks, radio truck

2 Heavy Artillery Battalions@

BHQ: 6 Carbine sqds, 8 lorries
3 batteries@ 4x 155mm M1 or 4.5" M1, 4x M5 HST, radio van

1 Heavy Artillery Battalion:

BHQ: 6 Carbine sqds, 8 lorries
3 batteries@ 4x 155mm M1918 or 155mm M2 Long Tom or 8" M1, 4x M4 HST, radio van

3 Engineer Companies@

CHQ: 2 rifle sqds, 1 lorry
3 platoons@ 4 rifle/pioneer sqds, 2 lorries

6 Pioneer Companies

CHQ: 2 rifle sqds, 1 lorry
3 platoons; 4 rifle/pioneer sqds, 2 lorries

6 Tank Destroyer Companies@

CHQ: 3 Carbine sqds, 2x M3A1 S/C, 3 Jeeps, 9 bazookas
1 platoon:
PHQ: 2 Carbine sqds, 1x M3A1 S/C, 5 Jeeps (up to Oct'42)
2 sections@ 2x 37mm M6 GMC
1 section: 2x M15 AA halftrack

2-3 platoons@

PHQ: 1x M3A1 S/C, 5 Jeeps, 2 Carbine sqds
2 sections@ 2x 75mm M3 GMC halftrack
1 section: 2x M15 (not 1943)

2 Tank Destroyer Recce Companies@

CHQ: 2 Carbine sqds, 2x M3A1 S/C, 2 Jeeps, 2 bazookas
3 platoons@ 2x M3A1 S/C, 4x Jeep/.50", 2 Carbine sqds
1 platoon: PHQ: 1(6 man) rifle/engineer sqd, 1x M3A1 S/C
2 sections@ 1(12 man) rifle/engineer sqd, 1x M3A1 S/C, 1 truck

2. Army Support (hypothetical or in America only)

Up to:

2 Heavy Tank Companies@

CHQ: 2x M6 heavy tanks
3 platoons@ 5x M6

2 Heavy Artillery Battalions@

BHQ: 8 rifle sqds, 10 lorries
3 batteries@ 4x 8" M1 howitzers, 4x M4 HST, radio van

6 AA Platoons@ 4x 90mm M1 or 120mm M1, 4 lorries

1st Ranger Battalion (North Africa, Nov 1942-March 1943)

Bttn HQ: 1(8 man) SMG/carbine squad
A, B, C, E, F Companies@
CHQ: 2(10 man) rifle/SMG sqds
2 platoons@ 1(6 man) SMG PHQ sqd, 1x 60mm mortar, 1 bazooka
2(12 man) rifle squads, 4 BAR

D Support Company:
CHQ: 1 Carbine squad
1 battery: 4?x 81mm M1 mortars, hand carts
1 platoon: 6?x LMG

Darby's Ranger Regiment (Sicily, July-August 1943)

1st, 3rd, 4th Ranger Battalions (as above)
Ranger Cannon Company: 6x 105mm T-19 GMC halftracks (Aug 1943+)

3. Notes

a) Radios are in all AFVs and other PHQs.
b) Infantry have M9A1 rifle A/T grenades. No HEAT or APCR rounds available.
c) M15 AA not before Oct'42.
d) In November 1942 the Tank Destroyer Companies replace the M6 GMC with a third M3 GMC platoon.
e) 37mm has APCBC with 1 load of canister.
f) In 1943 any M2 H/T can be replaced by M3 variant.