List of formations of the United States Army during World War I

This is a list of formations in the United States Army during World War I. Many of these formations still exist today, though many by different designations.

Seal of the United States War Department

Field Armies

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Field Armies
Shoulder Sleeve Insignia Name Activated Commanding General Campaigns
 
First Army August 10, 1918 Gen. John J. Pershing
Lt. Gen. Hunter Liggett
Meuse-Argonne
 
Second Army October 10, 1918 Lt. Gen. Robert L. Bullard Meuse-Argonne
 
Third Army November 15, 1918 Maj. Gen. Joseph T. Dickman
Lt. Gen. Hunter Liggett
None

Corps

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Corps
Shoulder Sleeve Insignia Name Activated Commanding General Campaigns
 
I Corps January 20, 1918 Maj. Gen. Hunter Liggett
Maj. Gen. Joseph T. Dickman
Maj. Gen. William M. Wright
-
 
II Corps February 24, 1918 Col. George S. Simonds (acting)
Maj. Gen. George W. Read
-
 
III Corps May 16, 1918 Col. Alfred W. Bjornstad (acting)
Maj. Gen. William M. Wright
Maj. Gen. Robert Lee Bullard
Maj. Gen. John L. Hines
-
 
IV Corps June 20, 1918 Col. Stuart Heintzelman (acting)
Maj. Gen. Joseph T. Dickman
Maj. Gen. Charles H. Muir
Maj. Gen. Charles P. Summerall
-
 
V Corps July 12, 1918 Maj. Gen. William M. Wright
Maj. Gen. George H. Cameron
Maj. Gen. Charles P. Summerall
-
 
VI Corps August 1, 1918 Maj. Gen. Omar Bundy
Brig. Gen. Briant H. Wells (acting)
Maj. Gen. Charles C. Ballou
Maj. Gen. Charles T. Menoher
Maj. Gen. Adelbert Cronkhite
-
 
VII Corps August 19, 1918 Maj. Gen. William M. Wright
Lt. Col. Gordon Johnston (acting)
Maj. Gen. Omar Bundy
Col. Herbert J. Brees (acting)
Maj. Gen. William G. Haan
Maj. Gen. Henry T. Allen
-
 
VIII Corps November 26, 1918 Maj. Gen. Henry T. Allen
Maj. Gen. Walter H. Gordon
None
 
IX Corps November 26, 1918 Maj. Gen. Adelbert Cronkhite
Maj. Gen. Charles P. Summerall
Maj. Gen. Henry T. Allen
None

Divisions

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Cavalry divisions

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Cavalry Divisions
Shoulder Sleeve Insignia Name Activated Entered Combat Commanding General Campaigns
None 15th Cavalry Division November 27, 1917 None Maj. Gen. George W. Read
Brig. Gen. DeRosey C. Cabell
-

Infantry divisions

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Regular Army

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Infantry Divisions
Shoulder Sleeve Insignia Name Activated Entered Combat Commanding General Campaigns
 
1st Division
("The Big Red One")
24 May 1917 28 May 1918 Maj. Gen. William L. Sibert
Maj. Gen. Robert L. Bullard
Maj. Gen. Charles P. Summerall
Brig. Gen. Frank Parker
Cantigny
Aisne-Marne
Saint-Mihiel
Meuse–Argonne
 
2nd Division
("Indian Head Division")
26 October 1917 1 June 1918 Brig. Gen. Charles A. Doyen
Maj. Gen. Omar Bundy
Maj. Gen. James Harbord
Maj. Gen. John A. Lejeune
Third Aisne
Belleau Wood
Aisne-Marne
Saint-Mihiel
Meuse–Argonne
 
3rd Division ("Rock of the Marne") 21 November 1917 4 June 1918 Maj. Gen. Joseph T. Dickman
Maj. Gen. Beaumont B. Buck
Brig. Gen. Preston Brown
Maj. Gen. Robert Lee Howze
Champagne-Marne
Aisne-Marne
Saint-Mihiel
Meuse–Argonne
 
4th Division ("Ivy Division") 10 December 1917 1 July 1918 Maj. Gen. George H. Cameron
Maj. Gen. John L. Hines
Maj. Gen. Mark L. Hersey
Aisne-Marne
Saint-Mihiel
Meuse–Argonne
 
5th Division ("Red Diamond") 11 December 1917 14 June 1918 Maj. Gen. Charles H. Muir
Maj. Gen. John E. McMahon
Maj. Gen. Hanson E. Ely
Saint-Mihiel
Meuse–Argonne
 
6th Division ("Sight-Seeing Sixth") 26 November 1917 31 August 1918 Brig. Gen. James B. Erwin
Maj. Gen. Walter H. Gordon
Meuse–Argonne
 
7th Division ("Hourglass Division") 6 December 1917 10 October 1918 Brig. Gen. Charles H. Barth
Maj. Gen. Edmund Wittenmyer
Meuse–Argonne
 
8th Division ("Golden Arrow Division"; "Pathfinder Division") 17 December 1917 15 August 1918 Brig. Gen. Joseph D. Leitch
Maj. Gen. John F. Morrison
Maj. Gen. William S. Graves
Maj. Gen. Eli A. Helmick
Siberia
 
9th Division ("Varsity") 18 July 1918 No Combat Maj. Gen. Willard Ames Holbrook -
 
10th Division 9 July 1918 No Combat Maj. Gen. Leonard Wood -
 
11th Division ("Lafayette Division") 15 August 1918 No Combat Maj. Gen. Jesse McI. Carter -
 
12th Division ("Plymouth Division") 12 July 1918 No Combat Maj. Gen. Henry P. McCain -
 
13th Division ("Lucky 13th") 16 July 1918 No Combat Brig. Gen. Cornelius Vanderbilt
Brig. Gen. Frank B. Watson
Maj. Gen. Joseph D. Leitch
-
 
14th Division ("Wolverine Division") 9 July 1918 No Combat Brig. Gen. Howard L. Laubach
Maj. Gen. Grote Hutcheson
-
Insignia Never Selected 15th Division 31 July 1918 No Combat Brig. Gen. Guy V. Henry Jr. -
 
16th Division 31 July 1918 No Combat Maj. Gen. David C. Shanks
Maj. Gen. Guy Carleton
-
 
17th Division 31 July 1918 No Combat Maj. Gen. Henry C. Hodges Jr. -
 
18th Division ("Cactus Division") 31 July 1918 No Combat Brig. Gen. George H. Estes
Brig. Gen. Frederick B. Shaw
-
Insignia Never Selected 19th Division 31 July 1918 No Combat Brig. Gen. Benjamin T. Simmons
Maj. Gen. Charles C. Ballou
-
 
20th Division 31 July 1918 No Combat Brig. Gen. E. Leroy Sweetser
Maj. Gen. Harry F Hodges
-

National Guard

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Infantry Divisions
Shoulder Sleeve Insignia Name
(National Guard units from)
Activated Entered Combat Commanding General Campaigns
 
26th Division ("Yankee Division")
(Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont)
18 July 1917 10 April 1918 Maj. Gen. Clarence R. Edwards
Brig. Gen. Frank E. Bamford
Champagne-Marne
Aisne-Marne
Saint-Mihiel
Meuse–Argonne
 
27th Division ("New York Division" and "Orion Division")
(New York)
15 July 1917 25 July 1918 Maj. Gen. John F. O'Ryan Somme Offensive
Ypres-Lys
Meuse–Argonne (Artillery Only)
 
28th Division ("Keystone Division")
(Pennsylvania)
5 August 1917 14 July 1918 Maj. Gen. Charles H. Muir
Maj. Gen. William H. Hay
Champagne-Marne
Oise-Aisne
Aisne-Marne
Saint-Mihiel
Meuse–Argonne
 
29th Division ("Blue and Grey Division")
(Delaware, Maryland, New Jersey, Virginia, Washington D.C.)
18 July 1917 29 September 1918 Maj. Gen. Charles G. Morton Meuse–Argonne
 
30th Division ("Old Hickory Division")
(Georgia, North Carolina, South Carolina, Tennessee)
28 August 1917 5 July 1918 Maj. Gen. John F. Morrison
Maj. Gen. Clarence P. Townsley
Maj. Gen. George W. Read
Maj. Gen. Edward M. Lewis
Somme Offensive
Ypres-Lys
 
31st Division ("Dixie Division")
(Alabama, Florida, Georgia)
25 August 1917 No Combat
(Depot Division)
Maj. Gen. Francis J. Kernan
Brig. Gen. John L. Hayden
Maj. Gen. Francis H. French
Maj. Gen. LeRoy S. Lyon
-
 
32nd Division ("Les Terribles"; "Red Arrow Division")
(Michigan and Wisconsin)
26 August 1917 15 July 1918 Maj. Gen. James Parker
Maj. Gen. William G. Haan
Maj. Gen. William Lassiter
Oise-Aisne
Aisne-Marne
Meuse–Argonne
 
33rd Division ("Prairie Division")
(Illinois)
25 August 1917 17 July 1918 Maj. Gen. George Bell Jr. Somme Offensive
Meuse–Argonne
 
34th Division ("Red Bull Division")
(Iowa, Nebraska, North Dakota, South Dakota)
18 July 1917 No Combat
(Depot Division)
Maj. Gen. Augustus P. Blocksom
Brig. Gen. John A. Johnston
Maj. Gen. Charles D. Rhodes
-
 
35th Division ("Santa Fe Division")
(Kansas and Missouri)
18 July 1917 26 September 1918 Maj. Gen. William M. Wright
Brig. Gen. Nathaniel F. McClure
Maj. Gen. Peter E. Traub
Meuse–Argonne
 
36th Division ("Texas Division" or "Arrowhead Division")
(Texas and Oklahoma)
18 July 1917 10 October 1918 Maj. Gen. Edwin St. John Greble
Maj. Gen. William R. Smith
Meuse–Argonne
 
37th Division ("Buckeye Division")
(Ohio)
26 August 1917 4 August 1918 Maj. Gen. Charles Treat
Brig. Gen. Joseph A. Gaston
Maj. Gen. Charles S. Farnsworth
Meuse–Argonne
Ypres-Lys
 
38th Division ("Cyclone Division")
(Indiana, Kentucky, West Virginia)
25 August 1917 No Combat
(Depot Division)
Maj. Gen. William H. Sage
Brig. Gen. William V. Judson
Augustine McIntyre Jr.
Brig. Gen. Frank M. Caldwell
Maj. Gen. Robert Lee Howze
-
 
39th Division ("Delta Division")
(Arkansas, Louisiana, Mississippi)
18 July 1917 No Combat
(Depot Division)
Maj. Gen. Henry C. Hodges Jr.
Brig. Gen. Ira A. Haynes
-
 
40th Division ("Sunshine Division")
(Arizona, California, Colorado, Nevada, New Mexico, Utah)
18 July 1917 No Combat
(Depot Division)
Maj. Gen. Frederick S. Strong
Brig. Gen. LeRoy S. Lyon
Brig. Gen. George H. Cameron
-
 
41st Division ("Sunset Division")
(Idaho, Montana, Oregon, Washington, Wyoming)
18 July 1917 No Combat
(Depot Division)
Maj. Gen. Hunter Liggett
Brig. Gen. Henry Jervey
Brig. Gen. George L. Irwin
Brig. Gen. Richard Coulter Jr.
Brig. Gen. Robert Alexander
Brig. Gen. Edward Vollrath
Maj. Gen. John E. McMahon
Brig. Gen. Eli K. Cole, USMC
Maj. Gen. Peter E. Traub
Meuse–Argonne (Artillery Only)
 
42nd Division ("Rainbow Division") 1 August 1917 16 June 1918 Maj. Gen. William A. Mann
Maj. Gen. Charles T. Menoher
Maj. Gen. Charles D. Rhodes
Brig. Gen. Douglas MacArthur
Champagne-Marne
Saint-Mihiel
Meuse–Argonne

National Army (76th-93rd)

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Infantry Divisions
Shoulder Sleeve Insignia Name Activated Entered Combat Commanding General Campaigns
 
76th Division ("Liberty Bell Division"; "Onaway Division") 25 August 1917 No Combat
(Depot Division)
Maj. Gen. Harry F. Hodges
Brig. Gen. William Weigel
Brig. Gen. Frank H. Albright
-
 
77th Division ("Statue of Liberty Division") 5 August 1917 21 June 1918 Maj. Gen. J. Franklin Bell
Maj. Gen. George B. Duncan
Brig. Gen. Evan M. Johnson
Maj. Gen. Robert Alexander
Oise-Aisne
Meuse–Argonne
 
78th Division ("Lightning Division") 5 August 1917 12 September 1918 Maj. Gen. Chase W. Kennedy
Brig. Gen. John S. Mallory
Brig. Gen. James T. Dean
Maj. Gen. Hugh L. Scott
Maj. Gen. James McRae
Saint-Mihiel
Meuse–Argonne
 
79th Division ("Cross of Lorraine Division") 5 August 1917 15 September 1918 Maj. Gen. Joseph E. Kuhn Meuse–Argonne
 
80th Division ("Blue Ridge Division") 5 August 1917 23 July 1917 Brig. Gen. Herman Hall
Maj. Gen. Adelbert Cronkhite
Brig. Gen. Lloyd M. Brett
Brig. Gen. Wilds P. Richardson
Brig. Gen. Charles S. Farnsworth
Maj. Gen. Samuel D. Sturgis Jr.
Somme Offensive
Meuse–Argonne
 
81st Division ("Wildcat Division") 5 August 1917 2 November 1918 Maj. Gen. Charles H. Barth
Maj. Gen. Charles J. Bailey
Brig. Gen. George W. McIver
Meuse–Argonne
 
82nd Division ("All-American Division") 5 August 1917 18 July 1918 Maj. Gen. Eben Swift
Maj. Gen. William P. Burnham
Maj. Gen. George B. Duncan
Saint-Mihiel
Meuse–Argonne
 
83rd Division ("Ohio Division") 5 August 1917 None
(Depot Division)
Maj. Gen. Edwin F. Glenn
Brig. Gen. Willard A. Holbrook
Vittorio Veneto
(332nd Infantry only)
 
84th Division ("Railsplitters") 5 August 1917 None
(Depot Division)
Maj. Gen. Harry C. Hale
Brig. Gen. Wilber E. Wilder
-
 
85th Division ("Custer Division") 5 August 1917 None
(Depot Division)
Maj. Gen. Joseph T. Dickman
Maj. Gen. James Parker
Maj. Gen. Chase W. Kennedy
-
 
86th Division ("Blackhawk Division") 5 August 1917 None
(Depot Division)
Maj. Gen. Thomas H. Barry
Brig. Gen. Lyman W. V. Kennon
Maj. Gen. Charles Martin
Brig. Gen. Lincoln C. Andrews
Maj. Gen. Charles C. Ballou
-
 
87th Division ("Golden Acorn Division") 5 August 1917 None
(Depot Division)
Maj. Gen. Samuel D. Sturgis
Brig. Gen. William F. Martin
-
 
88th Division ("Fighting Blue Devils"; "Clover Leaf Division") 5 August 1917 7 October 1918 Maj. Gen. Edward H. Plummer
Brig. Gen. Robert N. Getty
Brig. Gen. William D. Beach
Maj. Gen. William Weigel
Meuse–Argonne
 
89th Division ("Rolling W") 5 August 1917 12 September 1918 Maj. Gen. Leonard Wood
Maj. Gen. William M. Wright
Maj. Gen. Frank L. Winn
Saint-Mihiel
Meuse–Argonne
 
90th Division ("Tough 'Ombres") 5 August 1917 12 September 1918 Maj. Gen. Henry T. Allen
Maj. Gen. Charles Martin
Saint-Mihiel
Meuse–Argonne
 
91st Division ("Pine Tree Division"; "Wild West Division") 5 August 1917 26 September 1918 Maj. Gen. Henry A. Greene
Maj. Gen. William Johnston Jr.
Meuse–Argonne
 
92nd Division (Colored) ("Buffalo Soldiers") 24 October 1917 26 September 1918 Maj. Gen. Charles C. Ballou
Maj. Gen. Charles Martin
Brig. Gen. James B. Erwin
Meuse–Argonne
 
93rd Division (Colored) ("Blue Helmets") (only infantry organized) 23 November 1917 8 April 1918 Brig. Gen. Roy Hoffman Third Aisne
Second Marne

National Army (94th-102nd)

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Infantry Divisions
Shoulder Sleeve Insignia Name Activated Commanding General Area of Origin
 
94th Division (Only Infantry Organized) 6 June 1918 None Puerto Rico
 
95th Division (Not Fully Organized) 5 September 1918 Col. Julien E. V. Gaujot
Col. Edward Croft
Brig. Gen. Mathew C. Smith
-
 
96th Division (Not Fully Organized) 5 September 1918 Maj. Gen. Guy Carleton -
 
97th Division (Not Fully Organized) 5 September 1918 Col. Carl A. Martin
Brig. Gen. James R. Lindsay
Minnesota
Oklahoma
 
98th Division (Only HQ Organized) 23 July 1918 Col. Jennings B. Wilson (Chief of Staff) -
 
99th Division (Only HQ Organized) 23 July 1918 Lt. Col. Paul W. Beck (Chief of Staff) -
 
100th Division (Only HQ Organized) 23 July 1918 Col. William L. Reed (Chief of Staff) -
 
101st Division (Only HQ Organized) 23 July 1918 Col. Patrick H. Mullay (Chief of Staff) -
 
102nd Division (Only Cadre Organized) 23 July 1918 None -

Brigades

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Cavalry brigades

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Infantry brigades

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Regular Army

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Infantry Brigades
Shoulder Sleeve Insignia Name Parent Organization Activated Organic Units Commanding General
 
1st Infantry Brigade 1st Division May 24, 1917 16th Infantry Regiment
18th Infantry Regiment
2nd Machine Gun Battalion
Brig. Gen. Omar Bundy
Brig Gen. George B. Duncan
Brig. Gen. John L. Hines
Brig. Gen. Frank Parker
Col. Hjalmar Erickson
 
2nd Infantry Brigade 1st Division May 24, 1917 26th Infantry Regiment
28th Infantry Regiment
3rd Machine Gun Battalion
Brig. Gen. Robert Lee Bullard
Brig. Gen. Beaumont B. Buck
Brig. Gen. Frank E. Bamford
Brig. Gen. George C. Barnhardt
Brig. Gen. Francis Marshall
 
3rd Infantry Brigade 2nd Division October 6, 1917 9th Infantry Regiment
23rd Infantry Regiment
5th Machine Gun Battalion
Col. Walter K. Wright
Brig. Gen. Peter Murray
Brig. Gen. Edward M. Lewis
Brig. Gen. Hanson E. Ely
Col. Robert O. Van Horn
Col. James C. Rhea
Brig. Gen. Charles E. Kilbourne
Brig. Gen. Thomas W. Darrah
Brig. Gen. Paul B. Malone
 
4th Marine Brigade 2nd Division October 23, 1917 5th Marine Regiment
6th Marine Regiment
6th Machine Gun Battalion
Brig. Gen. Charles A. Doyen
Brig. Gen. James Harbord
Brig. Gen. John Lejeune
Brig. Gen. Wendell C. Neville

Field artillery brigades

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Artillery brigades (Coast Artillery Corps)

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Depot brigades

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Technical Services

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Ambulance corps

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Motor transport Corps

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Coast artillery corps

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Tank corps

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Signal corps

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References

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  • Rinaldi, Richard A. (2004). The U. S. Army in World War I: Orders of Battle. General Data LLC. ISBN 0-9720296-4-8.