Interwar U.S. Army Division & Brigade Graphics

Apr 4, 2024
1 min read

Updated: Jul 13, 2025

Graphics > American Orders of Battle > Interwar U.S. Army (1920-1940)

This is a gallery of organizational graphics for Interwar U.S. Army Divisions, Brigades & Regiments including any units roughly from 1920 to 1940 (excluding units that fought during World War II with an organization adopted prior to the war).

Cavalry

1st Cavalry Division (1933)

Infantry

Infantry Regiment, Medium Tanks (1939) (with information about the 67th Infantry Regiment)

Cold War Japanese Military Manuals

21st Century US Marine Unit Organization & Manuals

USMC Rifle Squads: The Last 10 Years & Future

ATP 3-20.15 Tank Platoon (2025) - U.S. Army Manual

ATP 3-21.9 Stryker Infantry Rifle Platoon and Squad (2025) - U.S. Army

ATP 3-21.71 Mechanized Infantry Rifle Platoon and Squad (2024) - U.S. Army

ATP 3-21.8 Infantry Rifle Platoon and Squad (2025) - U.S. Army Manual

1/26

Articles

U.S. Medium Tank Regiment 1939 & the Fate of Interwar Tank Units

A graphic of the U.S. Army Infantry Regiment (Medium Tanks) in 1939, an overview of its interwar tank and mechanized units, and a table explaining how those Infantry Tank and Mechanized Cavalry formations were used to build the brand new Armored Force in 1940.

U.S. Army Experimental Airborne Tank Company of World War II

The experimental M22 Locust Airborne Light Tank Company of World War II presented in graphical form.

Video

USMC Rifle Squads: The Last 10 Years & Future

The last 10+ years of developments in the realm of U.S. Marine Rifle Squads.

What the U.S. Did With its Pre-WW2 Tank Units

New video on the state of U.S. Army Tank Forces before it entered World War II, and how its pre-war tank units formed the basis of its very first armored units

Archive

Cold War Japanese Military Manuals

A collection of Cold War Japanese Ground Self-Defense Force (JGSDF) Manuals, including on the Rifle Squad and Company.

21st Century US Marine Unit Organization & Manuals

Archive > Post Cold-War > Post-Cold War U.S. Sources > 21st Century U.S. Marine Unit Organization & Manuals Miscellaneous Documents • Tables of Organization Miscellaneous Documents with Organizational Info Title Date Remarks II MEFO 3100.3E, Standard Operating Procedures (SOP) for Marine Expeditionary Units (MEUs), Commanding General II MEF 11 May 2018 Includes detailed troop lists for reinforcing or augmenting units on a MEU, but not the T/O of units kept complete (MEU C

Current Machine Gun Section USMC Thumb.png

get your battle
order poster!

Cavalry

Infantry

Cold War Japanese Military Manuals

21st Century US Marine Unit Organization & Manuals

USMC Rifle Squads: The Last 10 Years & Future

ATP 3-20.15 Tank Platoon (2025) - U.S. Army Manual

ATP 3-21.9 Stryker Infantry Rifle Platoon and Squad (2025) - U.S. Army

ATP 3-21.71 Mechanized Infantry Rifle Platoon and Squad (2024) - U.S. Army

ATP 3-21.8 Infantry Rifle Platoon and Squad (2025) - U.S. Army Manual

Articles

U.S. Medium Tank Regiment 1939 & the Fate of Interwar Tank Units

U.S. Army Experimental Airborne Tank Company of World War II

Video

USMC Rifle Squads: The Last 10 Years & Future

What the U.S. Did With its Pre-WW2 Tank Units

Archive

Cold War Japanese Military Manuals

21st Century US Marine Unit Organization & Manuals

get your battle order poster!

get your battle
order poster!