US I Corps Aisne-Marne Operation 18 July - 6 August 1918 3rd Division: 5th Infantry Brigade 4th Infantry Regiment (3490/2499) 7th Infantry Regiment (2843/2587) 8th Machine Gun Battalion (742/614) 5th Infantry Brigade 30th Infantry Regiment (3345/3700) 38th Infantry Regiment (3202/3649) 9th Machine Gun Battalion (709/522) 3rd Field Artillery Brigade 10th Field Artillery (75mm)(1400/1553) 18th Field Artillery (155mm)(1569/1648) 76th Field Artillery (75mm)(1437/1487) 3rd Trench Mortar Battery : 7th Machine Gun Battalion (395/384) 6th Engineers (1593/1248) 5th Field Signal Battalion 3rd Train Headquarters & Military Police 3rd Ammunition Train 3rd Supply Train 6th Engineer Train 3rd Sanitary Train 5th Field Hospital 7th Field Hospital 26th Field Hospital 27th Field Hospital Others (3525/3771) 4th Division: 7th Infantry Brigade 39th Infantry Regiment (3451/3242) 47th Infantry Regiment (3182/2874) 11th Machine Gun Battalion (667/729) 8th Infantry Brigade 58th Infantry Regiment (3010/2997) 59th Infantry Regiment (3265/2864) 12th Machine Gun Battalion (687/627) 4th Field Artilery Brigade: 13th Field Artillery (155mm)(1473/1544) 1
16th Field Artillery (75mm)(1259/1271) 77th Field Artillery (75mm)(1391/1440) 4th Trench Mortar Battery 10th Machine Gun Battalion (311/377) 4th Engineers (1524/1584) 8th Field Signal Battalion 4th Train Headquarters & Military Police 4th Ammunition Train 4th Supply Train 4th Engineer Train 4th Sanitary Train 19th Field Hospital 21st Field Hospital 28th Field Hospital 33rd Field Hospital Others (3866/4337) 26th Division: 51st Infantry Brigade: 101st Infantry Regiment (2896/2909) 102nd Infantry Regiment (3156/2231) 102nd Machine Gun Battalion (730/603) 51st Infantry Brigade: 103rd Infantry Regiment (3318/2401) 104th Infantry Regiment (3334/2334) 103rd Machine Gun Battalion (688/578) 51st Artillery Brigade 101st Field Artillery (75mm)(1428/1358) 102nd Field Artillery (75mm)(1509/1515) 103rd Field Artillery (155mm)(1748/1655) 101st Trench Mortar Battery 101st Machine Gun Battalion (358/331) 101st Engineers (1565/1404) 101st Field Signal Battalion 26th Train Headquarters & Military Police 26th Ammunition Train 26th Supply Train 26th Engineer Train 26th Sanitary Train 101st Field Hospital 102nd Field Hospital 103rd Field Hospital 104th Field Hospital Others (4622/4319) 28th Division: 55th Infantry Brigade: 109th Infantry Regiment (3462/3176) 110th Infantry Regiment (3382/2337) 2
108th Machine Gun Battalion (720/722) 55th Infantry Brigade: 111th Infantry Regiment (3512/2163) 112th Infantry Regiment (3563/3205) 109th Machine Gun Battalion (701/680) 53rd Field Artillery Brigade: 107th Field Artillery (75mm) (1316/1353) 108th Field Artillery (155mm)(1399/1409) 109th Field Artillery (75mm) (1307/1320) 103rd Trench Mortar Battery : 107th Machine Gun Battalion (374/368) 103rd Engineers (1585/1434) 103rd Field Signal Battalion 103rd Train Headquarters & Military Police 103rd Ammunition Train 103rd Supply Train 103rd Engineer Train 103rd Sanitary Train 109th Field Hospital 110th Field Hospital 111th Field Hospital 112th Field Hospital Others (2631/3023) 32nd Division: 63rd Infantry Brigade: 125th Infantry Regiment (2731) 126th Infantry Regiment (3177) 120th Machine Gun Battalion (689) 64th Infantry Brigade: 127th Infantry Regiment (3286) 128th Infantry Regiment (3277) 121st Machine Gun Battalion (719) 57th Field Artillery Brigade 119th Field Artillery (75mm)(1318) 120th Field Artillery (75mm)(709) 121st Field Artillery (155mm)(1190) 107th Trench Mortar Battery 119th Machine Gun Battalion (370) 107th Engineers (1602) 107th Field Signal Battalion 107th Train Headquarters & Military Police 107th Ammunition Train 107th Supply Train 107th Engineer Train 3
107th Sanitary Train 125th Field Hospital 126th Field Hospital 127th Field Hospital 128th Field Hospital Others (6859) 42nd Division: 83rd Infantry Brigade: 165th Infantry Regiment (3223/2073) 166th Infantry Regiment (3288/2461) 150th Machine Gun Battalion (710/545) 83rd Infantry Brigade: 167th Infantry Regiment (3518/1934) 168th Infantry Regiment (3328/1974) 151st Machine Gun Battalion (721/495) 67th Field Artillery Brigade: 149th Field Artillery (75mm) (1330/1385) 150th Field Artillery (155mm)(1710/1847) 151st Field Artillery (75mm) (1265/1433) 149th Machine Gun Battalion (347/269) 117th Engineers (1437/1417) 117th Field Signal Battalion 117th Train Headquarters & Military Police 117th Ammunition Train 117th Supply Train 117th Engineer Train 117th Sanitary Train 165th Field Hospital 166th Field Hospital 167th Field Hospital 168th Field Hospital Others (5688/5895) French 62nd Division: organization unknown French 157th Division: organization unknown Corps Troops Air Service: Corps Observation Group: Headquarters 1st Aero Squadron 12th Aero Squadron 88th Aero Squadron Flight B, 648th Aero Squadron 1st Photo Section 183rd Aero Squadron (later 1st Park Co) 1st Pursuit Group: Headquarters 27th Aero Squadron 4
94th Aero Squadron 95th Aero Squadron 147th Aero Squadron Flight 3, 648th Aero Squadron 218th Aero Squadron Balloon Wing I Corps: Balloon Wing Co. A 1st Balloon Company 2nd Balloon Company Artillery 66th Field Artillery Brigade 1st Trench Artillery Battalion, Coastal Artillery Corps 1st Anti-aircraft Battalion (75mm) HQ Corps Artillery I Corps Artillery Park II Corps Artillery Park 1st Flash Ranging Section French Artillery 3/90th Artillery (155mm) 1/102nd Artillery (105mm) 2/107th Artillery (120mm) 1/131st Artillery (105mm) 2/,4/281st Artillery (220mm) 5./285th Artillery (280mm) 1/286th Artillery (220mm) 1/307th Artillery (155mm) 1/334th Artillery (155mm) 2/,3/407th Artillery (155mm) 83rd Flash Ranging Section Cavalry Troops A & C, 2nd Cavarly Regiment Det/K Troop, 3rd Cavarly Regiment French 2nd Divisional Cavalry Detachment French 38th Divisional Cavalry Detachment French 164th Divisional Cavalry Detachment Engineers: 1st Pioneer Infantry Det/14th Engineers Det/23rd Engineers Det/26th Engineers Det/37th Engineers Det/40th Engineers B & C Cos, 27th Engineers HQ 1st Battalion & B & D Cos, 30th Engineers (later 1st Gas Regiment) 101st Engineers & Train (26th Division) 308th Engineers and Train (83rd Division) 2nd Sound Ranging Section (det of B Co., 29th Engineers) Infantry: I Corps Replacement Battalion French 67th Territorial Regiment (2 bns) Medical Corps: 1st Mobile Veterinary Hospital 103rd Mobile Veterinary Hospital 5
162nd Field Hospital 163rd Field Hospital 163rd Ambulance Company Signal Corps: 322nd Field Signal Battalion 406th Telephone Battalion Tank Corps: 319th (French) Tank Company 326th (French) Tank Company Miscellaneous: Corps HQ HQ Troop Corps Remount Depot Provisional Corps Supply Train 414th Motor Supply Train 2nd Replacement Battalion, USMC Order of Battle of the United States Land Forces in the World War, American Expecitionary Forces, Divisions, US Government Printing Office, Washington, DC., 1931 3rd Division, Summary of Operations in the World War, 4th Division, Summary of Operations in the World War, 26th Division, Summary of Operations in the World War, 28th Division, Summary of Operations in the World War, 32nd Division, Summary of Operations in the World War, 42nd Division, Summary of Operations in the World War, US Government Printing Office, 1944. Copyright GFN 1992 6