4th DIVISION (RA)
COMPOSITION
 
7th Infantry Brigade
39th Infantry
47th Infantry
11th Machine Gun Battalion
8th Infantry Brigade
58th Infantry
59th Infantry
12th Machine Gun Battalion
4th Field Artillery Brigade
13th Field Artillery (155)
16th Field Artillery (75)
77th Field Artillery (75)
4th Trench Mortar Battery
Divisional Troops
10th Machine Gun Battalion
4th Engineers
8th Field Signal Battalion
Headquarters Troop
Trains
4th Train Headquarters and Military Police
4th Ammunition Train
4th Supply Train
4th Engineer Train
4th Sanitary Train (Ambulance Companies and Field Hospitals 19, 21, 28, 33)
 
 
ATTACHED
 
51st FA Brig and 101st Am Tn (26tb Div) Aisne-Marne Operation, Aug 3-5,1918
67th FA Brig (42d Div) Aisne-Marne Operation and Vesle Sector, Aug. 3-11,1918
10th FA and 18th FA (3d Div) Meuse-Argonne Operation, Sept 2648,1918
1 bn Fr 308th FA (75) Meuse-Argonne Operation, Sept 26-Oct 6,1918
Fr 250th FA (75) Meuse-Argonne Operation, Sept 26-Oct 13,1918
318th Inf (80th Div) Meuse-Argonne Operation, Sept 27-Oct 3, 1918
2d Bn 315th FA (80th Div) Meuse-Argonne Operation, Sept 28-Oct 7,1918
155th FA Brig (80th Div) Meuse-Argonne Operation, Sept 29-Oct 3,1918
2 bns Fr 456th FA (75) Meuse-Argonne Operation, Sept 30-Oct 13,1918
1 bn 318th Inf (80th Div) Meuse-Argonne Operation, Oct 4-5, 1918
3d Bn and MG Co 132d Inf (33d Div) Meuse-Argonne Operation, Oct 6-13, 1918
 
 
DETACHED
 
4th FA Brig and 4th Am Tn training at Camp de Souge, May 30-Aug 1, 1918; with 77th Div in Vesle Sector, Aug 12-17,1918; with 26th Div and Fr 15th Colonial Div preceding and during St-Mihiel Operation, Sept 7-14,1918
3d Bn 39th Inf with 33d Div in Verdun-Fromeréville Sector, Sept 22-25, 1918
2d Bn 47th Inf 
4th FA Brig and 4th Am Tn elements with 3d Div and 5th Div during Meuse-Argonne Operation, Oct 13-16,1918
58th Inf with 5th Div during Meuse-Argonne Operation, Oct 14-16, 1918
Elements of 4th FA Brig (less 18th FA) and 4th Am Tn with 5th Div during Meuse-Argonne Operation, Oct 19-Nov 11, 1918
16th FA with 3d Div during Meuse-Argonne Operation, Oct 20-24, 1918; with 90th Div during Meuse-Argonne Operation, Oct 26-Nov 11, 1918
 
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