Order of Battle (Unit Structure) – American Forces – World War I

1st Army Corps

Major General Hunter Liggett, commanding.

1st Division – Major General Charles P. Summerall, commanding; Lieutenant Colonel Campbell King, Chief of Staff, Major H. K. Loughry, Adjutant General.

• 1st Brigade Infantry – Major [General] John L. Hines;
  • 16th Infantry Regiment
  • 18th Infantry Regiment
  • 2nd Machine Gun Battalion
• 2nd Brigade Infantry – Major General Beaumont B. Buck
  • 26th Infantry Regiment
  • 28th Infantry Regiment
  • 3rd Machine Gun Battalion
• 1st Brigade Field Artillery
  • 5th Field Artillery
  • 6th Field Artillery
  • 7th Field Artillery
  • 1st Trench Mortar Battery
• Engineer Troops – 1st Regiment
• Signal Troops – 2nd Battalion
• Division Units – 1st Machine Gun Battalion

2nd Division (U.S.M.C) – Brigadier General John E. LeJeune, commanding; Brigadier General Preston Brown, Chief-of-Staff

• 3rd Brigade Infantry – Brigadier General Hanson E. Ely
  • 9th Infantry Regiment
  • 23rd Infantry Regiment
  • 5th Machine Gun Battalion
• 4th Brigade Infantry (Marines) – Brigadier General John A. LeJeune
  5th Infantry Regiment 6th Infantry Regiment 6th Machine Gun Battalion
• 2nd Brigade Field Artillery – Brigadier General A. J. Bowley
  • 12th Regiment Field Artillery
  • 15th Regiment Field Artillery
  • 17th Regiment Field Artillery
  • 2nd Trench Mortar Battery
• Engineer Troops – 2nd Regiments
• Signal Troops – 1st Battalion
• Division Units – 2nd Division Headquarters Troop; 4th Machine Gun Battalion

26th Division – Major General Clarence R. Edwards, commanding; Lieutenant Colonel Cassius M. Dowell, Chief of Staff; Major Charles A. Stevens, Adjutant General.

• 51st Brigade Infantry – Brigadier General George H. Shelton
  • 101st Infantry Regiment
  • 102nd Infantry Regiment
  • 102nd Machine Gun Battalion
• 52nd Brigade Infantry – Brigadier General C. H. Cole
  • 103rd Infantry Regiment
  • 104th Infantry Regiment
  • 103d Machine Gun Battalion
• 51st Brigade Field Artillery – Brigadier General D. E. Aultman
  • 101st Field Artillery Regiment
  • 102nd Field Artillery Regiment
  • 103rd Field Artillery Regiment
  • 101st Trench Mortar Battery
• Engineer Troops – 101st Regiment
• Signal Troops – 101st Field Battalion
• Division Units – 26th Headquarters Troop; 101st Machine Gun Battalion

32nd Division – Major General W. G. Haan, commanding; Lieutenant-Colonel Allen L. Briggs, Chief of Staff; Major John H. Howard, Adjutant General.

• 63rd Brigade Infantry – Brigadier General William D. Connor
  • 125th Infantry Regiment
  • 126th Infantry Regiment
  • 120th Machine Gun Battalion
• 64th Brigade Infantry – Brigadier General E. B. Winans
  • 127th Infantry Regiment
  • 128th Infantry Regiment
  • 121st Machine Gun Battalion

  57th Brigade Field Artillery – Brigadier General G. LeRoy Irwin

  • 119th Field Artillery Regiment
  • 120th Field Artillery Regiment
  • 121st Field Artillery Regiment
  • 107th Trench Mortar Battery
• Engineer Troops – 107th Regiment
• Signal Troops – 107th Battalion
• Division Units – 32nd Headquarters Troops; 119th Machine Gun Battalion.

41st Division (Sunset) – Major General Robert Alexander, commanding; Colonel Harry H. Tebbetts, Chief of Staff, Major Herbert H. White, Adjutant- General.

• 81st Brigade, Infantry – Brigadier General Wilson B. Burt
  • 161st Infantry Regiment
  • 162nd Infantry Regiment
  • 147th Machine Gun Battalion
• 82nd Brigade Infantry – Brigadier General Edward Vollrath
  • 163rd Infantry Regiment
  • 164th Infantry Regiment
  • 148th Machine Gun Battalion
• 66th Brigade Field Artillery
  • 146th Regiment Field Artillery
  • 147th Regiment Field Artillery
  • 148th Regiment Field Artillery
  • 116th Trench Mortar Battery
• Engineer Troops – 116th Regiment
• Signal Troops – 116th Battalion
• Division Units – 41st Division Headquarters Troop; 146th Machine Gun Battalion

42nd Division (Rainbow) – Major General C. T. Menoher, commanding; Major Walter E. Powers, Adjutant General

• 83rd Brigade Infantry – Brigadier General M. Lenihan
  • 165th Infantry Regiment
  • 166th Infantry Regiment
  • 150th Machine Gun Battalion
• 84th Brigade, Infantry – Brigadier General R. A. Brown
  • 167th Infantry Regiment
  • 168th Infantry Regiment
  • 151st Machine Gun Battalion
• 67th Brigade Field Artillery – Brigadier General G. C. Gatley
  • 149th Field Artillery Regiment
  • 150th Field Artillery Regiment
  • 151st Field Artillery Regiment
  • 117th Trench Mortar Battery
• Engineer Troops – 117th Regiment
• Signal Troops – 117th Field Signal Battalion
• Division Units – 42nd Division Headquarters Troops; 149th Machine Gun Battalion

2nd Army Corps

Major General Robert Lee Bullard, commanding

4th Division – Major General George H. Cameron, commanding; Lieutenant-Colonel Christian A. Bach, Chief of Staff; Major Jesse D. Elliott, Adjutant General.

• 7th Brigade Infantry – Brigadier General B. A. Poore
  • 39th Infantry Regiment
  • 47th Infantry Regiment
  • 11th Machine Gun Battalion
• 8th Brigade Infantry – Brigadier General E. E. Booth
  • 58th Infantry Regiment
  • 59th Infantry Regiment
  • 12th Machine Gun Battalion
• 4th Brigade Field Artillery – Brigadier General E. B. Babbitt
  • 13th Field Artillery Regiment
  • 16th Field Artillery Regiment
  • 77th Field Artillery Regiment
  • 4th Trench Mortar Battery
• Engineer Troops – 8th Battalion
• Signal Troops – 8th Battalion
• Division Units – 4th Division Headquarters Troop; 10th Machine Gun Battalion

28th Division – Major General C. H. Muir, commanding; Lieutenant Colonel David J. Davis, Adjutant General.

• 55th Brigade Infantry – Brigadier General T. W. Darrah
  • 109th Infantry Regiment
  • 110th Infantry Regiment
  • 108th Machine Gun Battalion
• 56th Brigade Infantry – Major General William Weigel
  • 111th Infantry Regiment
  • 112th Infantry Regiment
  • 109th Machine Gun Battalion
• 53rd Brigade Field Artillery – Brigadier General W. G. Price
  • 107th Field Artillery Regiment
  • 108th Field Artillery Regiment
  • 109th Field Artillery Regiment
  • 103rd Trench Mortar Battery
• Engineer Troops – 103rd Regiment
• Signal Troops – 103rd Battalion
• Division Units – 28th Division Headquarters Troop; 107th Machine Gun Battalion

30th Division (Wild Cat)

Major General Edward M. Lewis, commanding; Lieutenant Colonel Robert B. McBride, Chief-of-Staff; Lieutenant-Colonel Francis B. Hinkle, Adjutant General.

• 59th Brigade, Infantry – Brigadier General Lawrence D. Tyson
  • 117th Infantry Regiment
  • 118th Infantry Regiment
  • 114th Machine Gun Battalion
• 60th Brigade, Infantry – Brigadier Geneal Samuel L. Faison
  • 119th Infantry Regiment
  • 120th Infantry Regiment
  • 115th Machine Gun Battalion
• 55th Brigade Field Artillery –
  • 113th Field Artillery Regiment
  • 114th Field Artillery Regiment
  • 115th Field Artillery Regiment
  • 105th Trench Mortar Battery
• Engineer Troops – 105th Regiment
• Signal Troops – 105th Battalion
• Division Units – 30th Headquarters Troop; 113th Machine Gun Battalion

35th Division

Major General Peter E. Traub, commanding; Colonel Robert McCleave, Chief of Staff; Major J. M. Hobson, Adjutant-General

• 69th Brigade, Infantry – Brigadier General Nathaniel McClure
  • 137th Infantry Regiment
  • 138th Infantry Regiment
  • 129th Machine Gun Battalion
• 70th Brigade Infantry – Brigadier General Charles I. Martin
  • 139th Infantry Regiment
  • 140th Infantry Regiment
  • 130th Machine Gun Battalion
• 60th Brigade Field Artillery – Brigadier General L. G. Berry
  • 128th Field Artillery Regiment
  • 129th Field Artillery Regiment
  • 130th Field Artillery Regiment
  • 110th Trench Mortar Battery
• Engineer Troops – 110th Regiment
• Signal Troops – 110th Battalion
• Division Units – 35th Division Headquarters Troop; 128th Machine Gun Battalion.

77th Division (Upton)

Major General George B. Duncan, commanding; Major W. N. Haskell, Adjutant-General

• 153rd Brigade Infantry – Brigadier General Edward Wittenmayer
  • 305th Infantry Regiment
  • 306th Infantry Regiment
  • 305th Machine Gun Battalion
• 154th Brigade Infantry – Brigadier General Evan M. Johnson
  • 307th Infantry Regiment
  • 308th Infantry Regiment
  • 306th Machine Gun Battalion
• 152nd Brigade, Field Artillery – Brigadier General Thomas H. Reeves
  • 304th Field Artillery Regiment
  • 305th Field Artillery Regiment
  • 306th Field Artillery Regiment
  • 302nd Trench Mortar Battery
• Engineer Troops – 302d Regiment
• Signal Troops – 302d Battalion
• Division Units – 77th Division Headquarters Troop; 304th Machine Gun Battalion

82nd Division

Major General W. P. Burnham, commanding; Lieutenant Colonel Royden E. Beebe, Chief of Staff; Lieutenant Colonel John R. Thomas, Adjutant General

• 163rd Brigade Infantry – Brigadier General Marcus D. Cronin
  • 325th Infantry Regiment
  • 326th Infantry Regiment
  • 320th Machine Gun Battalion
• 164th Brigade Infantry – Brigadier General Julian R. Lindsay
  • 327th Infantry Regiment
  • 328th Infantry Regiment
  • 321st Machine Gun Battalion
• 157th Brigade, Field Artillery – Brigadier General Charles D. Rhodes
  • 319th Field Artillery Regiment
  • 320th Field Artillery Regiment
  • 321st Field Artillery Regiment
  • 307th Trench Mortar Battery
• Engineer Troops – 307th Regiment
• Signal Troops – 307th Battalion
• Division Units – 319th Machine Gun Battalion

3rd Army Corps

Major General William M. Wright, commanding

3rd Division

Major General Joseph T. Dickman, commanding; Colonel Robert H. Kelton, Chief-of- Staff; Captain Frank L. Purdon, Adjutant General

• 5th Brigade Infantry – Brigadier General F. W. Sladen
  • 4th Infantry Regiment
  • 7th Infantry Regiment
  • 8th Machine Gun Battalion
• 8th Brigade Infantry
  • 30th Infantry Regiment
  • 38th Infantry Regiment
  • 9th Machine Gun Battalion
• 3rd Brigade, Field Artillery – Brigadier General W. M. Cruikshank
  • 10th Field Artillery Regiment
  • 76th Field Artillery Regiment
  • 18th Field Artillery Regiment
  • 3rd Trench Mortar Battery
• Engineer Troops – 6th Regiment
• Signal Troops – 5th Battalion
• Division Units – 3rd Division Headquarters Troop; 7th Machine Gun Battalion

5th Division

Major General John E. McMahon, commanding; Colonel Ralph E. Ingram, Chief-of- Staff; Major David P. Wood, Adjutant General

• 9th Brigade Infantry – Brigadier General J. C. Castner
  • 60th Infantry Regiment
  • 61st Infantry Regiment
  • 14th Machine Gun Battalion
• 10th Brigade Infantry – Major General W. H. Gordon
  • 6th Infantry Regiment
  • 11th Infantry Regiment
  • 15th Machine Gun Battalion
• 5th Brigade, Field Artillery – Brigadier General C. A. F. Flagler
  • 19th Field Artillery Regiment
  • 20th Field Artillery Regiment
  • 21st Field Artillery Regiment
  • 5th Trench Mortar Battery
• Engineer Troops – 7th Regiment
• Signal Troops – 9th Battalion
• Division Units – 5th Division Headquarters Troop; 13th Machine Gun Battalion

27th Division (New York)

Major General J. F. O’Ryan, commanding; Lieutenant-Colonel Stanley H. Ford, Chief-of-Staff; Lieutenant-Colonel Frank W. Ward, Adjutant General.

• 53rd Brigade Infantry – Brigadier General Alfred W. Bjornstad
  • 105th Infantry Regiment
  • 106th Infantry Regiment
  • 105th Machine Gun Battalion
• 54th Brigade Infantry – Brigadier General Palmer E. Pierce
  • 107th Infantry Regiment
  • 108th Infantry Regiment
  • 106th Machine Gun Battalion
• 52nd Brigade, Field Artillery – Brigadier General George W. Wingate
  • 104th Field Artillery Regiment
  • 105th Field Artillery Regiment
  • 106th Field Artillery Regiment
  • 102nd Trench Mortar Battery
• Engineer Troops – 102d Regiment
• Signal Troops – 102d Battalion
• Division Units – 27th Division Headquarters Troop; 104th Machine Gun Battalion

33rd Division

Major General George Bell, Jr., commanding; Colonel William K. Naylor, Chief-of- Staff; Adjutant General(not named)

• 65th Brigade Infantry – Brigadier General Edward L. King
  • 129th Infantry Regiment
  • 130th Infantry Regiment
  • 123rd Machine Gun Battalion
• 66th Brigade Infantry – Brigadier General Paul A. Wolff
  • 131st Infantry Regiment
  • 132nd Infantry Regiment
  • 124th Machine Gun Battalion
• 58th Brigade, Field Artillery – Brigadier General James A. Shipton
  • 122nd Field Artillery Regiment
  • 123rd Field Artillery Regiment
  • 124th Field Artillery Regiment
  • 108th Trench Mortar Battery
• Engineer Troops – 108th Regiment
• Signal Troops – 108th Battalion
• Division Units – 33rd Division Headquarters Troop; 112th Machine Gun Battalion

78th Division

Major General James A. McRae, commanding; Lieutenant-Colonel Harry N. Cootes, Chief of Staff; Major William T. MacMill, Adjutant General.

• 155th Brigade Infantry – Brigadier General Mark L. Hersey
  • 309th Infantry Regiment
  • 310th Infantry Regiment
  • 308th Machine Gun Battalion
• 156th Brigade Infantry – Brigadier General James T. Dean
  • 311th Infantry Regiment
  • 312th Infantry Regiment
  • 309th Machine Gun Battalion
• 153rd Brigade, Field Artillery – Brigadier General Clint C. Hearn
  • 307th Field Artillery Regiment
  • 308th Field Artillery Regiment
  • 309th Field Artillery Regiment
  • 303rd Trench Mortar Battery
• Engineer Troops – 303d Regiment
• Signal Troops – 303d Battalion
• Division Units – 78th Division Headquarters Troop; 307th Machine Gun Battalion

80th Division

Major General Adelbert Cronkhite, commanding; Lieutenant Colonel William H. Waldron, Chief of Staff, Major Steven C. Clark, Adjutant General.

• 159th Brigade Infantry – Brigadier General George H. Jamerson
  • 317th Infantry Regiment
  • 318th Infantry Regiment
  • 315th Machine Gun Battalion
• 160th Brigade Infantry – Brigadier General Lloyd M. Bratt
  • 319th Infantry Regiment
  • 320th Infantry Regiment
  • 315th Machine Gun Battalion
• 155th Brigade, Field Artillery – Brigadier General Gordon G. Heiner
  • 313rd Field Artillery Regiment
  • 314th Field Artillery Regiment
  • 315th Field Artillery Regiment
  • 305th Trench Mortar Battery
• Engineer Troops – 305th Regiment
• Signal Troops – 305th Battalion
• Division Units – 80th Division Headquarters Troop; 313th Machine Gun Battalion

4th Army Corps

Major General George W. Read, commanding

29th Division

Major General C. G. Morton, commanding; Colonel George S. Goodale, Chief-of- Staff; Major James A. Ulio, Adjutant-General

• 57th Brigade Infantry – Brigadier General Charles W. Barber
  • 113th Infantry Regiment
  • 114th Infantry Regiment
  • 111th Machine Gun Battalion
• 58th Brigade Infantry – Brigadier General H. H. Bandholtz
  • 115th Infantry Regiment
  • 116th Infantry Regiment
  • 12th Machine Gun Battalion
• 54th Brigade, Field Artillery –
  • 110th Field Artillery Regiment
  • 111th Field Artillery Regiment
  • 112th Field Artillery Regiment
  • 104th Trench Mortar Battery
• Engineer Troops – 104th Regiment
• Signal Troops – 104th Battalion
• Division Units – 29th Division Headquarters Troop; 110th Machine Gun Battalion

37th Division

Major General C. S. Farnsworth, commanding; Lieutenant Colonel Dana T. Merrill, Chief of Staff, Major Edward W. Wildrick, Adjutant-General.

• 73rd Brigade Infantry – Brigadier General C. F. Zimmerman
  • 145th Infantry Regiment
  • 146th Infantry Regiment
  • 135th Machine Gun Battalion
• 74th Brigade Infantry – Brigadier General W. P. Jackson
  • 147th Infantry Regiment
  • 148th Infantry Regiment
  • 136th Machine Gun Battalion
• 62nd Brigade, Field Artillery – Brigadier General
  • 134th Field Artillery Regiment
  • 135th Field Artillery Regiment
  • 136th Field Artillery Regiment
  • 112th Trench Mortar Battery
• Engineer Troops – 112th Regiment
• Signal Troops – 112th Battalion
• Division Units – 37th Division Headquarters Troop; 134th Machine Gun Battalion

83rd Division

Major General E. F. Glenn, commanding; Lieutenant Colonel C. A. Trott, Chief-of- Staff; Major James L. Cochran, Adjutant General.

• 165th Brigade Infantry – Brigadier General Ora E. Hunt
  • 329th Infantry Regiment
  • 330th Infantry Regiment
  • 323rd Machine Gun Battalion
• 166th Brigade Infantry – Brigadier General Malin Craig
  • 331st Infantry Regiment
  • 332nd Infantry Regiment
  • 324th Machine Gun Battalion
• 158th Brigade, Field Artillery – Brigadier General Adrian S. Fleming
  • 322nd Field Artillery Regiment
  • 323rd Field Artillery Regiment
  • 324th Field Artillery Regiment
  • 308th Trench Mortar Battery
• Engineer Troops – 308th Regiment
• Signal Troops – 308th Battalion
• Division Units – 83rdth Division Headquarters Troop; 332nd Machine Gun Battalion

89th Division

Brigadier General Frank L. Winn, commanding (acting); Colonel C. E. Kilbourne, Chief of Staff; Major Jerome G. Pillow, Adjutant General

• 177th Brigade Infantry – Brigadier General Frank L. Winn
  • 353rd Infantry Regiment
  • 354th Infantry Regiment
  • 341st Machine Gun Battalion
• 178th Brigade Infantry – Brigadier General Thomas G. Hanson
  • 355th Infantry Regiment
  • 356th Infantry Regiment
  • 342nd Machine Gun Battalion
• 164th Brigade, Field Artillery – Brigadier General Edward T. Donnelly
  • 340th Field Artillery Regiment
  • 341st Field Artillery Regiment
  • 342nd Field Artillery Regiment
  • 314th Trench Mortar Battery
• Engineer Troops – 314th Regiment
• Signal Troops – 314th Battalion
• Division Units – 89th Division Headquarters Troop; 340th Machine Gun Battalion

90th Division

Major General Henry T. Allen, commanding; Colonel John J. Kingman, Chief-of- Staff; Major Wyatt O. Selkirk, Adjutant-General

• 179th Brigade Infantry – Brigadier General John T. O’Neill
  • 357th Infantry Regiment
  • 358th Infantry Regiment
  • 344th Machine Gun Battalion
• 180th Brigade Infantry – Brigadier General W. H. Johnston
  • 359th Infantry Regiment
  • 360th Infantry Regiment
  • 345th Machine Gun Battalion
• 165th Brigade, Field Artillery – Brigadier General Francis C. Marshall
  • 343rd Field Artillery Regiment
  • 344th Field Artillery Regiment
  • 345th Field Artillery Regiment
  • 315th Trench Mortar Battery
• Engineer Troops – 315th Regiment
• Signal Troops – 315th Battalion
• Division Units – 90th Division Headquarters Troop; 349th Machine Gun Battalion

92nd Division

Major General C. C. Ballou, commanding; Lieutenant Colonel Allen J. Greer, Chief of Staff; Major Sherburne Whipple, Adjutant General.

• 183rd Brigade Infantry – Brigadier General Malvern H. Barnum
  • 365th Infantry Regiment
  • 366th Infantry Regiment
  • 350th Machine Gun Battalion
• 184th Brigade Infantry – Brigadier General W. A. Hay
  • 367th Infantry Regiment
  • 368th Infantry Regiment
  • 351st Machine Gun Battalion
• 167th Brigade, Field Artillery.
  • 349th Field Artillery Regiment
  • 350th Field Artillery Regiment
  • 351st Field Artillery Regiment
  • 317th Trench Mortar Battery
• Engineer Troops – 317th Regiment
• Signal Troops – 317th Battalion
• Division Units – 92nd Division Headquarters Troop; 349th Machine Gun Battalion

5th Army Corps

Major General Omar Bundy, commanding

6th Division

Brigadier General James B. Erwin, commanding, Colonel James M. Pickering, Chief- of-Staff; Lieutenant Colonel Robert S. Knox, Adjutant General

• 11th Brigade Infantry – Brigadier General W. R. Dashiell
  • 51st Infantry Regiment
  • 52nd Infantry Regiment
  • 17th Machine Gun Battalion
• 12th Brigade Infantry – Brigadier General J. B. Erwin
  • 53rd Infantry Regiment
  • 54th Infantry Regiment
  • 18th Machine Gun Battalion
• 6th Brigade, Field Artillery – Brigadier General E. A. Millar
  • 3rd Field Artillery Regiment
  • 11th Field Artillery Regiment
  • 78th Field Artillery Regiment
  • 6th Trench Mortar Battery
• Engineer Troops – 318th Regiment
• Signal Troops – 6th Battalion
• Division Units – 6th Division Headquarters Troop; 16th Machine Gun Battalion

36th Division

Major General W. R. Smith, commanding; Colonel E. J. Williams, Chief-of-Staff; Major William R. Scott, Adjutant-General.

• 71st Brigade Infantry – Brigadier General Henry Hutchings
  • 141st Infantry Regiment
  • 142nd Infantry Regiment
  • 133rd Machine Gun Battalion
• 72nd Brigade Infantry – Brigadier General John A. Hulen
  • 143rd Infantry Regiment
  • 144th Infantry Regiment
  • 133rd Machine Gun Battalion
• 61st Brigade, Field Artillery – Brigadier General John A. Stevens.
  • 131st Field Artillery Regiment
  • 132nd Field Artillery Regiment
  • 133rd Field Artillery Regiment
  • 111th Trench Mortar Battery
• Engineer Troops – 111th Regiment
• Signal Troops – 111th Battalion
• Division Units – 36th Division Headquarters Troop; 131st Machine Gun Battalion

76th Division

Major General Harry F. Hodges, commanding; Major George M. Peek, Adjutant General

• 151st Brigade Infantry – Brigadier General Frank Albright
  • 301st Infantry Regiment
  • 302d Infantry Regiment
  • 302d Machine Gun Battalion
• 152nd Brigade Infantry – Brigadier General F. D. Evans
  • 303rd Infantry Regiment
  • 304th Infantry Regiment
  • 303rd Machine Gun Battalion
• 151st Brigade, Field Artillery – Major General William S. McNair
  • 301st Field Artillery Regiment
  • 302nd Field Artillery Regiment
  • 303rd Field Artillery Regiment
  • 301st Trench Mortar Battery
• Engineer Troops – 301st Regiment
• Signal Troops – 301st Battalion
• Division Units – 76th Division Headquarters Troop; 301st Machine Gun Battalion

79th Division

Major General Joseph E. Kuhn, commanding; Colonel Tenny Ross, Chief-of-Staff; Major Charles B. Moore, Adjutant-General.

• 157th Brigade Infantry – Brigadier General William L. Nicholson
  • 313th Infantry Regiment
  • 314th Infantry Regiment
  • 311th Machine Gun Battalion
• 158th Brigade Infantry –
  • 315th Infantry Regiment
  • 316th Infantry Regiment
  • 312th Machine Gun Battalion
• 154th Brigade, Field Artillery – Brigadier General Andrew Hero, Jr.
  • 310th Field Artillery Regiment
  • 311th Field Artillery Regiment
  • 312th Field Artillery Regiment
  • 304th Trench Mortar Battery
• Engineer Troops – 304th Regiment
• Signal Troops – 304th Battalion
• Division Units – 79th Division Headquarters Troop; 310th Machine Gun Battalion

85th Division

Major General C. W. Kennedy, commanding; Colonel Edgar T. Collins, Chief-of- Staff; Lieutenant Colonel Clarence Lininger, Adjutant General

• 169th Brigade Infantry – Brigadier General Thomas B. Dugan
  • 337th Infantry Regiment
  • 338th Infantry Regiment
  • 329th Machine Gun Battalion
• 170th Brigade Infantry –
  • 339th Infantry Regiment
  • 340th Infantry Regiment
  • 330th Machine Gun Battalion
• 160th Brigade, Field Artillery – Brigadier General Guy M. Preston
  • 328th Field Artillery Regiment
  • 329th Field Artillery Regiment
  • 330th Field Artillery Regiment
  • 310th Trench Mortar Battery
• Engineer Troops – 310th Regiment
• Signal Troops – 310th Battalion
• Division Units – 85th Division Headquarters Troop; 328th Machine Gun Battalion

91st Division

Brigadier General Frederick H. Foltz, commanding; Colonel Herbert J. Brees, Chief- of-Staff; Major Frederick W. Manley, Adjutant-General

• 181st Brigade Infantry – Brigadier General John B. McDonald
  • 361st Infantry Regiment
  • 362nd Infantry Regiment
  • 347th Machine Gun Battalion
• 182nd Brigade Infantry – Brigadier General Frederick H. Foltz
  • 363rd Infantry Regiment
  • 364th Infantry Regiment
  • 348th Machine Gun Battalion
• 166th Brigade, Field Artillery – Brigadier General Edward Burr
  • 346th Field Artillery Regiment
  • 347th Field Artillery Regiment
  • 348th Field Artillery Regiment
  • 316th Trench Mortar Battery
• Engineer Troops – 316th Regiment
• Signal Troops – 316th Battalion
• Division Units – 91st Division Headquarters Troop; 346th Machine Gun Battalion

Unassigned to Corps

81st Division

Major General C. J. Bailey, commanding; Colonel Charles D. Roberts, Chief-of- Staff; Major Arthur E. Ahrends, Adjutant-General

• 161st Brigade Infantry – Brigadier General George W. McIver
  • 321st Infantry Regiment
  • 322nd Infantry Regiment
  • 317th Machine Gun Battalion
• 162nd Brigade Infantry – Brigadier General Monroe McFarland
  • 323rd Infantry Regiment
  • 324th Infantry Regiment
  • 318th Machine Gun Battalion
• 156th Brigade, Field Artillery – Brigadier General Andrew Moses
  • 316th Field Artillery Regiment
  • 317th Field Artillery Regiment
  • 318th Field Artillery Regiment
  • 306th Trench Mortar Battery
• Engineer Troops – 306th Regiment
• Signal Troops – 306th Battalion
• Division Units – 81st Division Headquarters Troop; 306th Machine Gun Battalion

93rd Division

(Commander not announced); Major Lee S. Tilloston, Adjutant-General

• 185th Brigade Infantry –
  • 369th Infantry Regiment
  • 370th Infantry Regiment
  • 333rd Machine Gun Battalion
• 186th Brigade Infantry – Brigadier General George H. Harries
  • 371st Infantry Regiment
  • 372nd Infantry Regiment
  • 334th Machine Gun Battalion
• 168th Brigade, Field Artillery –
  • 332nd Field Artillery Regiment
  • 333rd Field Artillery Regiment
  • 334th Field Artillery Regiment
  • 318th Trench Mortar Battery
• Engineer Troops – 318th Regiment
• Signal Troops – 318th Battalion
• Division Units – 332nd Machine Gun Battalion