FREEBIES

(as of 1/6/2023) 

In appreciation of the support of the many customers MRS has had over the last several years, MRS is pleased to provide the following free materials. We hope you enjoy them !! Please check back from time to time as MRS will be adding to this list.

Please direct questions, corrections, or requests you may have to our . MRS would very much like to hear from you !!

LINK TABLE
NATIONALITY / BRANCH OF SERVICE	TIME FRAME	DESCRIPTION
U. S. Army	World War II (c. 1941 - 1945)	Tables of Organization (T/Os)
U. S. Navy & Marine Corps	World War II (c. 1941 - 1945)	various organizations
U. S. Army	U.S. Civil War (c. 1860 - 1865)	various organizations
U. S. Army Air Forces	World War II (c. 1941 - 1945)	Tables of Organization (T/Os)
German Army	World War II (c. 1939 - 1945)	Tables of Organization (T/Os)
U.S. Army Air Service	World War I (c. 1918)	Tables of Organization (T/Os)
U.S. Army	World War I (c. 1918)	Tables of Organization (T/Os)

U. S. Army Tables of Organization (T/Os) in World War II (c. 1941 - 1945):

These tables were created faithfully from the "Organization" section of the appropriate Tables of Organization and Equipment (T/O&Es) (including revisions made from the associated published Changes to the T/O&Es). All major items of ordnance, transportation, communication, and other specialties have been listed. In many instances revisions have been made to the Military Occupational Specialty (MOS) Specification Serial No.s (SSNs) as directed by War Department Technical Manual, TM 12-427, "Military Occupational Classification of Enlisted Personnel", dated 12 July 1944.

• T/O&E 2-25 Cavalry Reconnaissance Squadron, Mechanized (15 September 1943) Notes: One squadron was assigned to each Armored Division. Usually two of these squadrons were attached to each Cavalry Group, Mechanized, which in turn was usually attached to a Corps.
• T/O&E 2-25 Medical Detachment, Cavalry Reconnaissance Squadron, Mechanized (15 September 1943)  Notes: One detachment was assigned to each Cavalry Reconnaissance Squadron, Mechanized.
• T/O&E 2-26 Headquarters and Headquarters and Service Troop, Cavalry Reconnaissance Squadron, Mechanized (15 September 1943) Note: One troop was assigned to each Cavalry Reconnaissance Squadron, Mechanized (T/O&E 2-25).
• T/O&E 2-27 Cavalry Reconnaissance Troop, Mechanized (15 July 1943) Notes: One Troop was assigned to each Infantry Division. Four of these troops were assigned to each Cavalry Reconnaissance Squadron, Mechanized (T/O&E 2-25), assigned to an Armored Division. Three of these troops were assigned to each separate Cavalry Reconnaissance Squadron, Mechanized (T/O&E 2-25).
• T/O&E 2-28 Cavalry Assault Gun Troop, Mechanized (15 September 1943) Note: One troop was assigned to each Cavalry Reconnaissance Squadron, Mechanized (T/O&E 2-25).
• T/O&E 5-15 Engineer Combat Battalion (13 March 1944) Notes: One Engineer Combat Battalion was assigned to each Infantry Division. Also, two to five (normally three) Engineer Combat Battalions were attached to a separate Engineer Combat Group (T/O&E 5-192), which in turn were attached to Corps or Armies, as needed.
• T/O&E 5-15 Medical Detachment, Engineer Combat Battalion (13 March 1944) Note: One detachment was assigned to each Engineer Combat Battalion (T/O&E 5-15).
• T/O&E 5-16 Headquarters and Headquarters and Service Company, Engineer Combat Battalion (13 March 1944) Note: One company was assigned to each Engineer Combat Battalion (T/O&E 5-15).
• T/O&E 5-17 Engineer Combat Company (Troop) (13 March 1944) Note: Three of these companies were assigned to each Engineer Combat Battalion (T/O&E 5-15).
• T/O&E 5-215 Armored Engineer Battalion (20 November 1944) Note: One Armored Engineer Battalion was assigned to each Armored Division.
• T/O&E 5-215 Medical Detachment, Armored Engineer Battalion (20 November 1944) One detachment was assigned to each Armored Engineer Battalion (T/O&E 5-215).
• T/O&E 5-216 Headquarters and Headquarters Company, Armored Engineer Battalion (20 November 1944) Note: One company was assigned to each Armored Engineer Battalion (T/O&E 5-215).
• T/O&E 5-217 Company, Armored Engineer Battalion (20 November 1944) Note: Three of these companies were assigned to each Armored Engineer Battalion (T/O&E 5-215).
• T/O&E 6-25 Field Artillery Battalion, Motorized, 105-mm Howitzer, Truck-Drawn (27 September 1944) Notes: Three of these battalions were assigned to each Infantry Division as part of Division Artillery. Also, this type of battalion could be a separate battalion attached to a separate Field Artillery Group or Brigade, which in turn could be attached to a Corps or Army, as needed.
• T/O&E 6-25 Medical Detachment, Field Artillery Battalion, Motorized, 105-mm Howitzer, Truck-Drawn (27 September 1944) Note: One detachment was assigned to each Field Artillery Battalion (T/O&E 6-25).
• T/O&E 6-26 Headquarters and Headquarters Battery, Motorized, Field Artillery Battalion, 105-mm Howitzer, Truck-Drawn or Tractor Drawn (27 September 1944) Note: One battery was assigned to each Field Artillery Battalion (T/O&E 6-25).
• T/O&E 6-27 Field Artillery Battery, Motorized, 105-mm Howitzer, Truck-Drawn Note: Three of these batteries were assigned to each Field Artillery Battalion (T/O&E 6-25).
• T/O&E 6-29 Service Battery, Field Artillery Battalion, Motorized, 105-mm Howitzer, Truck-Drawn Note: One battery was assigned to each Field Artillery Battalion (T/O&E 6-25).
• T/O&E 6-36 Headquarters and Headquarters Battery, Motorized, Field Artillery Battalion, 155-mm Howitzer or 4.5-inch Gun, Truck-Drawn or Tractor Drawn (27 September 1944) Note: One battery was assigned to each Field Artillery Battalion (T/O&E 6-35 or 6-335)
• T/O&E 6-165 Armored Field Artillery Battalion (22 November 1944) Note: Three of these battalions were assigned to each Armored Division as part of Division Artillery. Also, this type of battalion could be a separate battalion attached to a separate Armored Group, a separate Field Artillery Group, or a separate Field Artillery Brigade, although this was very rare.
• T/O&E 6-165 Medical Detachment, Armored Field Artillery Battalion (22 November 1944) Note: One detachment was assigned to each Armored Field Artillery Battalion (T/O&E 6-165).
• T/O&E 6-166 Headquarters and Headquarters Battery, Armored Field Artillery Battalion (22 November 1944) Note: One battery was assigned to each Armored Field Artillery Battalion (T/O&E 6-165).
• T/O&E 6-167 Battery, Armored Field Artillery Battalion (22 November 1944) Note: Three of these batteries were assigned to each Armored Field Artillery Battalion (T/O&E 6-165).
• T/O&E 6-169 Service Battery, Armored Field Artillery Battalion (22 November 1944) Note: One battery was assigned to each Armored Field Artillery Battalion (T/O&E 6-165).
• T/O&E 6-335 Field Artillery Battalion, Motorized, 155-mm Howitzer or 4.5-inch Gun, Tractor Drawn (27 September 1944) Notes: One of these battalions was assigned to each Infantry Division as part of Division Artillery. Also, this type of battalion could be a separate battalion attached to a separate Field Artillery Group or Brigade, which in turn could be attached to a Corps or Army, as needed.
• T/O&E 6-335 Medical Detachment, Field Artillery Battalion, Motorized, 155-mm Howitzer or 4.5-inch Gun, Tractor Drawn (27 September 1944) Note: One detachment was assigned to each Field Artillery Battalion (T/O&E 6-335).
• T/O&E 6-337 Field Artillery Battery, Motorized, 155-mm Howitzer or 4.5-inch Gun, Tractor Drawn (27 September 1944) Note: Three of these batteries were assigned to each Field Artillery Battalion (T/O&E 6-335).
• T/O&E 6-339 Service Battery, Motorized, Field Artillery Battalion, Motorized, 155-mm Howitzer or 4.5-inch Gun, Tractor Drawn (27 September 1944) Note: One battery was assigned to each Field Artillery Battalion (T/O&E 6-335).
• T/O&E 7-11 Infantry Regiment (26 February 1944) Notes: Three of these regiments were assigned to each Infantry Division. The regiment could also be a separate unit attached directly to a Corps or Army, although by the end of WWII this had become rare.
• T/O&E 7-11 Medical Detachment, Infantry Regiment (26 February 1944) Note: One detachment was assigned to each Infantry Regiment (T/O&E 7-11).
• T/O&E 7-12 Headquarters and Headquarters Company, Infantry Regiment (26 February 1944) Note: One company was assigned to each Infantry Regiment (T/O&E 7-11).
• T/O&E 7-13 Service Company, Infantry Regiment (26 February 1944) Note: One company was assigned to each Infantry Regiment (T/O&E 7-11).
• T/O&E 7-14 Infantry Cannon Company (26 February 1944) Note: One company was assigned to each Infantry Regiment (T/O&E 7-11).
• T/O&E 7-15 Infantry Battalion (26 February 1944) Note: Three of these battalions were assigned to each Infantry Regiment (T/O&E 7-11).
• T/O&E 7-16 Headquarters and Headquarters Company, Infantry Battalion (26 February 1944) Note: One company was assigned to each Infantry Battalion (T/O&E 7-15).
• T/O&E 7-17 Infantry Rifle Company (26 February 1944) Note: Three of these companies were assigned to each Infantry Battalion (T/O&E 7-15) and also to each Infantry Battalion, Separate (T/O&E 7-95).
• T/O&E 7-18 Infantry Heavy Weapons Company (26 February 1944) Note: One company was assigned to each Infantry Battalion (T/O&E 7-15) and also to each Infantry Battalion, Separate (T/O&E 7-95).
• T/O&E 7-19 Infantry Antitank Company, 57-mm Gun (26 February 1944) Note: One company was assigned to each Infantry Regiment (T/O&E 7-11).
• T/O&E 7-25 Armored Infantry Battalion (15 September 1943) Notes: Three of these battalions were assigned to each Armored Division. This type of battalion could also be a separate battalion attached to a separate Armored Group, or attached directly to a Corps or Army, although this was very rare.
• T/O&E 7-25 Medical Detachment, Armored Infantry Battalion (15 September 1943) Note: One detachment was assigned to each Armored Infantry Battalion (T/O&E 7-25).
• T/O&E 7-26 Headquarters and Headquarters Company, Armored Infantry Battalion (15 September 1943) Note: One company was assigned to each Armored Infantry Battalion (T/O&E 7-25).
• T/O&E 7-27 Rifle Company, Armored Infantry Battalion (15 September 1943) Note: Three of these companies were assigned to each Armored Infantry Battalion (T/O&E 7-25).
• T/O&E 7-29 Service Company, Armored Infantry Battalion (15 September 1943) Note: One company was assigned to each Armored Infantry Battalion (T/O&E 7-25).
• T/O&E 7-31 Infantry Regiment, Parachute (1 August 1944) Note: One of these regiments was assigned to each Airborne Division (T/O&E 71).
• T/O 7-37 Infantry Rifle Company, Parachute (17 February 1942) Note: Three of these companies were assigned to each Parachute Infantry Battalion (T/O 7-35).
• T/O&E 7-37 Infantry Rifle Company, Parachute (1 August 1944) Note: Three of these companies were assigned to each Parachute Infantry Battalion (T/O&E 7-35).
• T/O&E 7-95 Infantry Battalion, Separate (12 July 1944) Note: This was an independent battalion not assigned to any Infantry Regiment nor Division.
• T/O&E 7-95 Medical Detachment, Infantry Battalion, Separate (12 July 1944) Note: One detachment was assigned to each Infantry Battalion, Separate (T/O&E 7-95).
• T/O&E 7-96 Headquarters and Headquarters and Service Company, Infantry Battalion, Separate (12 July 1944) One company was assigned to each Infantry Battalion, Separate (T/O&E 7-95).
• T/O&E 17-17 Light Tank Company (11 November 1944) Notes: One company was assigned to each Tank Battalion (T/O&E 17-25). One company was assigned to each Cavalry Reconnaissance Squadron, Mechanized (T/O&E 2-25). Three of these companies were assigned to each Light Tank Battalion (T/O&E 17-15).
• T/O&E 17-25 Tank Battalion (18 November 1944) Notes: Three of these battalions were assigned to each Armored Division. Usually one separate battalion was attached to each Infantry Division. Separate battalions could also be attached to a separate Armored Group, or attached directly to a Corps or Army, although this was very rare.
• T/O&E 17-25 Medical Detachment, Tank Battalion (18 November 1944) Note: One detachment was assigned to each Tank Battalion (T/O&E 17-25).
• T/O&E 17-26 Headquarters and Headquarters Company, Tank Battalion (18 November 1944) Note: One company was assigned to each Tank Battalion (T/O&E 17-25).
• T/O&E 17-27 Medium Tank Company, Tank Battalion (18 November 1944) Note: Three of these companies were assigned to each Tank Battalion (T/O&E 17-25).
• T/O&E 17-29 Service Company, Tank Battalion (18 November 1944) Note: One company was assigned to each Tank Battalion (T/O&E 17-25).
• T/O&E 18-25 Tank Destroyer Battalion, Self-Propelled (15 March 1944) Note: Usually one battalion was attached to each Armored Division.
• T/O&E 18-25 Medical Detachment, Tank Destroyer Battalion, Self-Propelled (15 March 1944) Note: One detachment was assigned to each self-propelled Tank Destroyer Battalion (T/O&E 18-25).
• T/O&E 18-26 Headquarters and Headquarters Company, Tank Destroyer Battalion, Self-Propelled (15 March 1944) Note: One company was assigned to each self-propelled Tank Destroyer Battalion (T/O&E 18-25).
• T/O&E 18-27 Tank Destroyer Gun Company, Tank Destroyer Battalion, Self-Propelled (15 March 1944) Note: Three of these companies were assigned to each self-propelled Tank Destroyer Battalion (T/O&E 18-25).
• T/O&E 18-28 Reconnaissance Company, Tank Destroyer Battalion, Self-Propelled (15 March 1944) Note: One company was assigned to each self-propelled Tank Destroyer Battalion (T/O&E 18-25).
• T/O&E 18-35 Tank Destroyer Battalion, Towed (1 September 1944) Note: Usually one battalion was attached to each Infantry Division.
• T/O&E 18-35 Medical Detachment, Tank Destroyer Battalion, Towed (1 September 1944) Note: One detachment was assigned to each towed Tank Battalion (T/O&E 18-35).
• T/O&E 18-36 Headquarters and Headquarters Company, Tank Destroyer Battalion, Towed (1 September 1944) Note: One company was assigned to each towed Tank Destroyer Battalion (T/O&E 18-35).
• T/O&E 18-37 Tank Destroyer Gun Company, Tank Destroyer Battalion, Towed (1 September 1944) Note: Three of these companies were assigned to each towed Tank Destroyer Battalion (T/O&E 18-35).
• T/O&E 44-15 Antiaircraft Artillery Gun Battalion, Mobile (17 November 1944)  Note: Three to Five of these battalions were attached to Antiaircraft Artillery Groups or Brigades which were in turn attached to the Field Armies, Corps, and Communications Zone.
• T/O&E 44-15 Medical Detachment, Antiaircraft Artillery Gun Battalion, Mobile (17 November 1944) Note: One detachment was assigned to each mobile Antiaircraft Artillery Gun Battalion (T/O&E 44-15).
• T/O&E 44-16 Headquarters and Headquarters Battery, Antiaircraft Artillery Gun Battalion, Mobile (17 November 1944) Note: One battery was assigned to each mobile Antiaircraft Artillery Gun Battalion (T/O&E 44-15).
• T/O&E 44-17 Antiaircraft Artillery Gun Battery, Mobile (17 November 1944) Note: Four batteries were assigned to each mobile Antiaircraft Artillery Gun Battalion (T/O&E 44-15).
• T/O&E 44-25 Antiaircraft Artillery Automatic Weapons Battalion, Mobile (22 April 1944) Notes: Usually one battalion was attached to each Infantry Division. These battalions could also be attached to Antiaircraft Artillery Groups or Brigades which were in turn attached to the Field Armies, Corps, and Communications Zone.
• T/O&E 44-25 Medical Detachment, Antiaircraft Artillery Automatic Weapons Battalion, Mobile (22 April 1944) Notes: One detachment was assigned to each Antiaircraft Artillery Automatic Weapons Battalion, Mobile (T/O&E 44-25).
• T/O&E 44-26 Headquarters and Headquarters Battery, Antiaircraft Artillery Automatic Weapons Battalion, Mobile (22 April 1944) Notes: One battery was assigned to each Antiaircraft Artillery Automatic Weapons Battalion, Mobile (T/O&E 44-25).
• T/O&E 44-27 Antiaircraft Artillery Automatic Weapons Battery, Mobile (22 April 1944) Notes: Four batteries were assigned to each Antiaircraft Artillery Automatic Weapons Battalion, Mobile (T/O&E 44-25).
• T/O&E 44-75 Antiaircraft Artillery Automatic Weapons Battalion, Self-Propelled (17 November 1944) Notes: Usually one battalion was attached to each Armored Division. These battalions could also be attached to Antiaircraft Artillery Groups or Brigades which were in turn attached to the Field Armies, Corps, and Communications Zone.
• T/O&E 44-75 Medical Detachment, Antiaircraft Artillery Automatic Weapons Battalion, Self-Propelled (17 November 1944) Notes: One detachment was assigned to each Antiaircraft Artillery Automatic Weapons Battalion, Self-Propelled (T/O&E 44-75).
• T/O&E 44-76 Headquarters and Headquarters Battery, Antiaircraft Artillery Automatic Weapons Battalion, Self-Propelled (17 November 1944) Notes: One battery was assigned to each Antiaircraft Artillery Automatic Weapons Battalion, Self-Propelled (T/O&E 44-75).
• T/O&E 44-77 Antiaircraft Artillery Automatic Weapons Battery, Self-Propelled (17 November 1944) Notes: Four batteries were assigned to each Antiaircraft Artillery Automatic Weapons Battalion, Self-Propelled (T/O&E 44-75).
• T/O&E 55-37 Transportation Corps Amphibian Truck Company (22 May 1944) Note: These units operated the 2 1/2-ton amphibian trucks (i.e. DUKWs).
• T/O&E 55-229 Transportation Company, Railway Operating Battalion (28 October 1943) Note: These units operated military trains.

Note: If you ordered T/O&E 7-11 "Infantry Regiment" (dated 26 Feb 1944) before 1/1/2012 you may have noticed that page 4 of Change 1 to this T/O&E was missing.  Click here to print out the missing page: Page 4 of Change 1 to T/O&E 7-11

U. S. Navy and Marine Corps Organizations in World War II (c. 1941 - 1945): 

These following documents were created from various official sources which are listed in the documents.

• Underwater Demolition Team (UDT) (September 1944) Note: UDTs were the forerunners of today's U.S. Navy SEAL teams.
• Destroyer Escort (DE) Allowed Crew Complement (November 1944)
• Landing Craft Tank (LCT) Allowed Crew Complement (August 1944)
• Landing Ship Tank (LST) Allowed Crew Complement (April 1944)
• T/O E-43 Naval Construction Battalion, Engineer Regiment (15 April 1943)  Notes: This is one of the famous U.S. Navy "Seabees" construction units. This particular unit was the battalion which was assigned as the third battalion of Marine Engineer Regiment, one of which was assigned to each Marine Division (E-100). The separate Naval Construction Battalion (see below) was similarly organized but slightly larger.
• Typical Combat Organization of Regular Naval Construction Battalion (CB) (March 1943)  Note: This organization is very similar to the 1944 Construction Battalion "Seabees" listed below.
• Authorized Complements for Standard Naval Construction Battalion (CB) Units (July 1944)  Note: These are the famous U.S. Navy "Seabees" construction units.
• Authorized Complements for Headquarters, Naval Construction Regiment and Brigade (July 1944)  Note: These are the regiment and brigade headquarters for the famous U.S. Navy "Seabees" construction units.
• T/O D-81 Parachute Company, Parachute Battalion, Marine Division (1 July 1942) Note: Three companies were assigned to each Parachute Battalion (D-83).
• T/O D-82 Headquarters Company, Parachute Battalion, Marine Division (1 July 1942) Note: One company was assigned to each Parachute Battalion (D-83).
• T/O D-83 Parachute Battalion, Marine Division (1 July 1942) Note: One battalion was assigned to each Marine Division (D-100).
• Fleet Submarine (SS) Allowed Crew Complement (c. 1943-1944)

U. S. Army Organizations in U. S. Civil War (c. 1860 - 1865):

These following documents were created from various official sources which are listed in the documents.

• Increase in the Regular Army of the United States (Union) (4 May 1861)  Note: This was the organization of new infantry, cavalry, and artillery regiments (and also brigades and divisions) added to the Regular Army due to the war demands for a larger army.
• Volunteer Army of the United States (Union) (29 April 1863)  Note: This was the organization of volunteer infantry, cavalry, artillery, and engineer regiments which were called into service during the war.

U. S. Army Air Forces Tables of Organization (T/Os) in World War II (c. 1941 - 1945):

These tables were created faithfully from the "Organization" section of the appropriate Tables of Organization and Equipment (T/O&Es) (including revisions made from the associated published Changes to the T/O&Es). All major items of ordnance and transportation have been listed.

• T/O&E 1-27 Fighter Squadron, Single-Engine (22 December 1943)  Notes: Usually three squadrons were assigned to a fighter group, although a fighter squadron could be employed separately. This type of squadron could be assigned P-39, P-40, P-47, or P-51 fighters.

German Army Tables of Organization (T/Os) in World War II (c. 1939 - 1945):

These tables were created faithfully from German Army (Heer) Kriegsstarkenachweisung (abbreviated K.st.N), which were the equivalent of the U.S. Army Tables of Organization. These K.st.N have been translated into English, use U.S. Army terminology, and are presented in the same format as U.S. Army T/Os.

• K.st.N Nr. 111n Stab eines Infanteriebataillons (n.A.) [Infantry Battalion Headquarters (new type)] (1 December 1943) Note: One of these headquarters was assigned to each Infantry Battalion (new type) [Infanteriebataillons (n.A.)].
• K.st.N Nr. 131n Schutzenkompanie (n.A.) [Infantry Rifle Company (new type)] (1 May 1944)  Note: Three of these companies were assigned to each Infantry Battalion (new type) [Infanteriebataillons (n.A.)].
• K.st.N Nr. 151n Schwere Kompanie eins Infanteriebataillons (n.A.) [Infantry Heavy Weapons Company for Infantry Battalion (new type)] (1 May 1944)  Note: One of these companies was assigned to each Infantry Battalion (new type) [Infanteriebataillons (n.A.)].
• Infanteriebattaillon (n.A.) [Infantry Battalion (new type)] (1944) Note: Two of these battalions were assigned to each Infantry Regiment (new type) [Infanterieregiment (n.A.)] (1944).

Note: Items listed above which do not have active links are planned to be added in the future.

Return To Top

U. S. Army Air Service Tables of Organization (T/Os) in World War I (c. 1918):

These tables were created faithfully from the original Tables of Organization (T/Os). All major items of ordnance and transportation have been listed.

• Table 606 Observation Squadron, Air Service Notes: One squadron was to each Division Air Service. Three squadrons were assigned to each Observation Group. One group was assigned to each Corps Air Service. Three groups were assigned to each Observation Wing. Two Observation Wings were assigned to each Army Air Service.
  
• Table 609 Balloon Company, Air Service  Notes: One company was assigned to each Division Air Service. Five Companies were assigned to each Balloon Group. One Balloon Group was assigned to each Corps Air Service. Three groups were assigned to each Balloon Wing. One Balloon Wing was assigned to each Army Air Service and one to GHQ Reserve, Air Service.
  
• Table 615 Monoplace Pursuit Squadron, Air Service Notes: Three squadrons were assigned to each Monoplace Pursuit Group. Three groups were assigned to each Monoplace Pursuit Wing. One wing was assigned to each Army Air Service. Three wings were assigned to each Monoplace Pursuit Brigade.One brigade was assigned to GHQ Reserve, Air Service.
  
• Table 621 Day Bombardment Squadron, Air Service Notes: Three squadrons were assigned to each Day Bombardment Group. One group was assigned to each Army Air Service.
  
• Table 625 Multi-Engined Night Bombardment Squadron, Air Service Notes: Three squadrons were assigned to each Multi-Engined Night Bombardment Group. Three groups were assigned to each Multi-Engined Night Bombardment Wing. Three wings were assigned to each Multi-Engined Night Bombardment Brigade. One brigade was assigned to GHQ Reserve, Air Service.
  

U. S. Army Tables of Organization (T/Os) in World War I (c. 1918):

These tables were created faithfully from the original Tables of Organization (T/Os). All major items of ordnance and transportation have been listed.

• Table 255 Light Tank Battalion, Tank Corps Note: Two battalions were assigned to each Tank Brigade (Table 256).
• Table 256 Tank Brigade, Tank Corps Note: One or more brigades were attached to each field army.
  
• Table 257 Heavy Tank Battalion, Tank Corps Note: One battalion was attached to each Tank Brigade (Table 256).
  

The above materials must be viewed using Adobe® Reader® software which is available as a free download.