The United States Infantry Division, 1942 to mid 1943
Divisional Troops
Divisional Headquarters
Headquarters Company included a Platoon of four 37-mm antitank guns.
Signals Company
Reconnaissance Troop
Military Police Platoon
Three Infantry Regiments, each comprised of;
Regimental Headquarters
Headquarters Company
Service Company
Cannon Company with six 75-mm guns in three Sections of two each and a fourth Section with two 105-mm guns (however, see below).
Antitank Company with twelve towed 37-mm anti-tank guns, divided into three Platoons with four guns per Platoon.
Three Infantry Battalions click on The United States Infantry Battalion 1942 to mid 1943 link for more detail.
Divisional Artillery
Headquarters and Headquarters Battery
Three Light Battalions each with twelve towed 105-mm howitzers, divided into three Batteries with four guns per Battery. Each Battalion also had six towed 37-mm anti-tank guns.
Medium Battalion with twelve towed 155-mm howitzers, divided into three Batteries with four guns per Battery. The Battalion also had six towed 37-mm anti-tank guns.
Engineer Battalion
Headquarters and Headquarters Company
Three Companies each Company included three towed 37-mm antitank guns.
Supply
Quartermaster Battalion
Medical
Medical Battalion
Points of note
The US Infantry Division was purposely stripped down to the bare bones with the re-organisation of Ground Forces in 1942. Unlike its equivalents in every other major Army, there were no integral Antitank or Anti-aircraft Battalions, and only minimum transport was provided for all elements. This was intended to keep the Infantry Division lean and mean, making it easy to ship from the Continental United States to either the Pacific, North African or European theatres.
The US Army was also in the process of hurriedly upgrading its neglected artillery arm. In theory, each Infantry Regiment was to be supported by a Cannon Company with six 75-mm and two 105-mm guns, all of which were to be self-propelled. However it appears that either of these types of equipment were ever actually issued, so towed substitutes most likely had to stand in.
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