| Located 0.9 miles (1.4 km) NW of Amanty, Meuse[2]French, then American Air Service training and operational airfield [1] I Corps Observation Group School[1]Headquarters, I Corps Observation Group, 2 February-3 May 1918Headquarters, 1st Day Bombardment Group, 10–25 September 19181st Aero Squadron (training), 19 October 1917 – 4 April 191891st Aero Squadron (training), 14 December 1917 – 24 May 191888th Aero Squadron (training), 1 February – 28 May 191812th Aero Squadron (training, then observation), 2 February – 3 May 191890th Aero Squadron (training), 19 April – 13 June 191899th Aero Squadron (Observation School), 31 May – 1 July 1918135th Aero Squadron (training), 19–30 July 19188th Aero Squadron (training), 31 July – 31 August 191850th Aero Squadron (training), 27 July – 4 September 1918104th Aero Squadron (training), 1–4 August 19189th Aero Squadron (Night Army Observation) 28 August – 21 September 191896th Aero Squadron (Day Bombardment), 18 May – 23 September 191820th Aero Squadron (Day Bombardment), 7–23 September 191811th Aero Squadron (Day Bombardment), 6–24 September 1918166th Aero Squadron (Day Bombardment), 21–25 September 1918
 Located 1.9 miles (3.1 km) SSW of Autreville, Vosges[2]RAF operational, then American Air Service training and operational airfield[1] 168th Aero Squadron (training) 2 Sept 1918 - 5 Oct 1918186th Aero Squadron (training), 18 Sept 1918 – 29 Oct 1918354th Aero Squadron (training, then Corps Observation), 30 Sept 1918 – 25 Oct 1918278th Aero Squadron (Corps Observation), 1 Oct 1918 – 10 Nov 1918
 Unknown exact location, Badonvilliers, Meurthe-et-MoselleBuilt by 477th Aero Sqn (Construct.) 1–22 August 1918Apparently never used
 Located 1 mile (1.6 km) SSW of Belrain, Meuse[2]French, then American Air Service airfield[1] Headquarters, 2d Pursuit Group, 23 September – 11 December 191813th Aero Squadron (Pursuit) 23 September – 6 November 191849th Aero Squadron (Pursuit) 23 September – 6 November 1918139th Aero Squadron (Pursuit) 24 September – 7 November 191822d Aero Squadron (Pursuit) 22 September – 7 November 1918104th Aero Squadron (Corps Observation) 30 November 1918 – 14 January 191999th Aero Squadron (Corps Observation)  31 November – 13 December 191890th Aero Squadron (Corps Observation) 15 – 18 January 1918
 Located 0.1 miles (0.16 km) WNW of Béthelainville, Meuse[2]French and American Air Service airfield[1]Headquarters, III Corps Observation Group, 29 October – 11 November 1918 90th Aero Squadron (Corps Observation) 19 October – 15 January 191988th Aero Squadron (Corps Observation) 4–29 November 1918
 Undetermined location near Bicqueley, Meurthe-et-MoselleFrench and American Air Service operational airfield[1] 50th Aero Squadron (Corps Observation) 8–24 September 1918
 Located 2.5 miles (4.0 km) ESE of Fismes, MarneFrench 6th Army Air Service airfield from January 1917 (previously 5th Army) 103d Aero Squadron (Pursuit), 10 April – 2 May 1918
 Located 1.3 miles (2.1 km) E of Chailly-en-Brie, Seine et Marne[2]French and American Air Service airfield[1]Headquarters, I Corps Observation Group, 12–22 August 1918 1st Aero Squadron (Corps Observation) 13–22 August 191812th Aero Squadron (Corps Observation) 12–22 August 1918
 Located 3.9 miles (6.3 km) ESE of Chaumont, Haute-Marne[2]Headquarters, Second Army Observation Group, 25 Oct 1918 - 4 Nov 1918[1]Headquarters, 1st Pursuit Wing, 24 Sept 1918 – 11 Nov 1918[1]Air Service HQ and operational airfield[1] 91st Aero Squadron (ground training) 15 Nov 1917 – 14 Dec 1917[1]12th Aero Squadron (ground training) 16 Jan 1918 – 2 Feb 191885th Aero Squadron (Observation, Second Army), 30 Sept 1918 – 4 Nov 1918[1]99th Aero Squadron (General Duties) 13 Dec 1918 – 19 Feb 1919
 Located 1.0 mile (1.6 km) W of Coincy, Aisne[2]French and American Air Service airfield[1] 94th Aero Squadron (Pursuit, advanced airfield) August 1918
Headquarters, I Corps Observation Group, 10–12 August 1918 1st Aero Squadron (Corps Observation) 10–13 August 191812th Aero Squadron (Corps Observation) 10–12 August 1918
 Located 1.3 miles (2.1 km) NE of Toul, Meurthe et Moselle[2]French and American Air Service airfield[1]Headquarters, 1st Pursuit Wing, 6 July 1918 – c. 24 September 1918Headquarters, 1st Pursuit Group, 5 May 1918 – 28 June 1918Headquarters, 2d Pursuit Group, 29 June 1918 – 23 September 1918Headquarters, 4th Pursuit Group, 26 October 1918 – 15 April 1919Headquarters, I Corps Observation Group, 22 August 1918 – 19 September 19181st Pursuit Organization and Training Center, then 1st Pursuit Group from 5 May (First Army) 94th Aero Squadron (Pursuit), 7 April 1918 – 29 June 191895th Aero Squadron (Pursuit), 4 May 1918 – 28 June 191827th Aero Squadron (Pursuit), 1 – 26 June 1918147th Aero Squadron (Pursuit), 1 – 28 June 1918
2nd Pursuit Group (First Army, part of the 1st Pursuit Wing from 6 July) 13th Aero Squadron (Pursuit), 28 June 1918 – 23 September 1918139th Aero Squadron (Pursuit) 30 June 1918 – 24 September 1918103d Aero Squadron (Pursuit), 4 July 1918 – 7 August 191849th Aero Squadron (Pursuit), 2 August 1918 – 23 September 191822d Aero Squadron (Pursuit), 16 August 1918 – 22 September 1918
28th Aero Squadron (3rd Pursuit Group, First Army) 15–16 July 1918 (transfer from Orly to Vaucouleurs).I Corps Observation Group (First Army) 1st Aero Squadron (Observ.), 22 August 1918 – 21 September 191812th Aero Squadron (Observ.), 22 August 1918 – 20 September 1918
IV Corps Observation Group (First Army, then Second Army from 14 October - HQ in Remicourt then Julvécourt) 8th Aero Squadron (Observ.), 29 September 1918 – 23 October 1918135th Aero Squadron (Observ.), 30 Sept 1918 – 21 November 1918168th Aero Squadron (Observ.), 5 October 1918 – 21 November 191885th Aero Squadron (Observ.), 10–24 November 1918
4th Pursuit Group 822nd Aero Squadron, then 6th Air Park Oct 1918 - April 1919
141st Aero Squadron (Pursuit), 19 October 1918 – 19 April 191925th Aero Squadron (Pursuit), 24 October 1918 – 15 April 191917th Aero Squadron (Pursuit), 4 November 1918 – 12 December 1918148th Aero Squadron (Pursuit), 4 November 1918 – 11 December 1918
278th Aero Squadron (VII Corps Obs. Group/First Army, 14 Nov to Second Army) 14 November 1918 - 15 April 1919[1]
 Located 0.8 miles (1.3 km) NE of Deouze, Meuse[2]American Air Service airfield[1] 166th Aero Squadron (Day Bomb.), 26 August – 1 September 1918; 7–12 September 191811th Aero Squadron (Day Bomb.), 26 August – 6 September 191820th Aero Squadron (Day Bomb.), 26 August – 7 September 1918100th Aero Squadron (Day Bomb.), 26 August – 26 October 1918163d Aero Squadron (Day Bomb.), 30 September – 1 November 1918
 Located 0.9 miles (1.4 km) W of Epiez-sur-Meuse, Meuse[2]American, then French Air Service airfield[1] 27th Aero Squadron (Pursuit, training) 24 April – 1 June 191894th Aero Squadron (Pursuit, training) 1–7 April 191895th Aero Squadron (Pursuit, training) 1 April – 4 May 1918147th Aero Squadron (Pursuit, training) 22 April – 1 June 1918104th Aero Squadron (Observation, on transit) 4–8 August 1918
 Undetermined location near Flin, SE of Chenevières OTAN/USAFE airfield, Meurthe-et-MoselleAmerican Air Service airfield[1]Headquarters, I Corps Observation Group, 13 – 29 June 1918[1] 12th Aero Squadron (Observation) 13 – 29 June 1918
 Located 1.0 mile (1.6 km) ESE of Foucaucourt, Meuse[2]French and American Air Service airfield[1]Headquarters, V Corps Observation Group, 20 Sept 1918 – 4 Feb 1919 99th Aero Squadron (Observation),  20 Sept – 4 Nov 1918104th Aero Squadron (Observation), 20 Sept – 4 Nov 1918
Headquarters, 3d Pursuit Group, 6 Nov 1918 – 31 Dec 1918 28th Aero Squadron (Pursuit), 6 November 1918 – 15 February 1919[4]93d Aero Squadron (Pursuit), 6 November – 15 December 1918103d Aero Squadron (Pursuit), 6 November 1918 – 5 January 1919213th Aero Squadron (Pursuit), 6 November – 29 January 1919[1]
 Located 1.9 miles (3.1 km) N of Mouroux, Seine et Marne[2]French and American Air Service airfield[1]Headquarters, I Corps Observation Group, 6–30 July 1918 1st Aero Squadron (Observation) 6–22 July 191812th Aero Squadron (Observation) 6–22 July 191888th Aero Squadron (Observation) 7 July-4 August 1918
 Located 0.7 miles (1.1 km) S of Gondreville, Meurthe et Moselle[2]American, then French (after Armistice) Air Service airfield[1]Headquarters, 1st Army Observation Group, 6–22 September 1918 91st Aero Squadron (Observation) 24 May – 21 September 1918[1]24th Aero Squadron, (Observation) 22 August – 22 September 1918
 Located on the SW side of Goussancourt, Aisne.French Air Service airfield[1] 88th Aero Squadron (Observation) 4–9 September 1918
 Located 4.3 miles (6.9 km) ESE of Château-Thierry, Picardy[2]French Air Service airfield[1] 88th Aero Squadron (Obs) 4 Aug – 4 Sept 1918; 9 – 12 Sept 1918
 Located 0.4 miles (0.64 km) W of Julvécourt, LorraineFrench then American Air Service airfield.Headquarters, I Corps Observation Group, 5 November 1918 – 15 April 1919 1st Aero Squadron (Observation) 5–21 November 191812th Aero Squadron (Observation) 3–21 November 1918
 
 | Located 1.6 miles (2.6 km) SE of Mourmelon le Grand, MarneFrench Air Service airfield. 103d Aero Squadron (Pursuit), 18 February – 10 April 1918
 Located 0.7 miles (1.1 km) WNW of Lay-Saint-Remy, LorraineAmerican Air Service airfield.Headquarters 5th Pursuit Group 15 Nov 1918 – 15 April 1919 41st Aero Squadron (Pursuit)  15 Nov 1918 – 15 April 1919138th Aero Squadron (Pursuit), 5 Nov 1918 – 15 April 1919638th Aero Squadron (Pursuit), 14 Nov 1918 – 15 April 1919
 Located 0.6 miles (0.97 km) N of Lemmes, MeuseFrench Air Service airfield. 186th Aero Squadron, (Observation) 7–24 November 1918
 Located 1.0 mile (1.6 km) N of Lisle-en-Barrois, Meuse.[5]French then American Air Service airfield.Headquarters, 3d Pursuit Group, 20 September – 6 November 1918 28th Aero Squadron (Pursuit), 20 September – 6 November 191893d Aero Squadron (Pursuit), 21 September – 5 November 1918103d Aero Squadron (Pursuit), 20 September – 6 November 1918213th Aero Squadron (Pursuit), 20 September – 5 November 1918[1]
 Five former German wartime airfields used by American Aero Squadrons before entering Germany in December 1918Noërs Aerodrome located 1 mile (1.6 km) SW of Longuyon. 94th Aero Squadron (observation) 20 Nov - 31 Dec 1918
Joppécourt Aerodrome 10 miles (16 km) SE of Longuyon. 166th Aero Squadron (observation) 21 Nov - 5 Dec 1918
Mercy le Bas located 8 miles (13 km) SE of Longuyon. 1st Aero Squadron (observation) 21 Nov - 6 Dec 1918
Mercy le Haut located 11 miles (18 km) SE of Longuyon 462nd Aero Squadron (Construct.) 20 Nov - 2 Dec 1918IV Corps Observation Group HQ 21 Nov - 4 Dec 191812th Aero Squadron (observation) 21 Nov - 6 Dec 1918
Preutin Aerodrome located 10 miles (16 km) SE of Longuyon 9th Aero Squadron (comm. duties) 21 Nov - 5 Dec 191891st Aero Squadron (observation) 21 Nov - 2 Dec 1918
 Located 1.7 miles (2.7 km) SSW of Luxeuil-les-Bains, Franche-ComtéFrench (from 1916) and American Air Services airfield.V Corps Infantry Liaison School 99th Aero Squadron (Observation)  1 July – 7 September 1918 Flight operated from Corcieux Aerodrome, 19–24 July 1918Flight operated from Dogneville Aerodrome, 24 July – 26 August 1918
Headquarters, V Corps Observation Group, formation 1 – 7 Sept 1918104th Aero Squadron (Observation for V Corps[6]) 8 Aug – 8 Sept 1918Now: Luxeuil Air Base (BA 116)
 Located south of Thiaucourt, near Toul, it is only a possible airfield, where 85th Aero Squadron stayed 4–10 November 1918.[7]
 Located 2.5 miles (4.0 km) SSW of Maulan, Lorraine.[8](French) and American Air Services airfield.Headquarters, 1st Day Bombardment Group, 25 Sept – 17 Jan 1919 11th Aero Squadron (Day Bomb.), 24 Sept 1918 – 17 Jan 191920th Aero Squadron (Day Bomb.), 23 Sept 1918 – 16 Jan 191996th Aero Squadron (Day Bomb.), 23 Sept 1918 – 10 Jan 1919166th Aero Squadron (Day Bomb.), 25 Sept – 22 Nov 1918
 Located 0.5 miles (0.80 km) south of May-en-Multien, Île-de-France, along the D 405, towards Meaux.French and American Air Services airfield.Headquarters, I Corps Observation Group, 5–10 August 1918[1] 1st Aero Squadron 5–10 August 191812th Aero Squadron (Observation) 3–10 August 1918
 Located 2 miles (3.2 km) E of La Ferté-sous-Jouarre, Île-de-FranceFrench and (temporary) American Air Services airfield.Headquarters, I Corps Observation Group, 30 July - 5 August 1918 1st Aero Squadron (Observation) 22 July – 5 August 191812th Aero Squadron (Observation) 22 July – 3 August 1918
 Located 0.7 miles (1.1 km) WNW of Ourches-sur-Meuse, LorraineAmerican Air Services airfield.Headquarters, I Corps Observation Group, 1 April – 29 June 1918 1st Aero Squadron (Observation) 4 April – 29 June 191812th Aero Squadron (Observation) 3 May – 13 June 191888th Aero Squadron (Observation) 28 May – 7 July 1918
Headquarters, IV Corps Observation Group, 1 July – 29 September 1918 90th Aero Squadron (Observation) 13 June – 20 September 1918135th Aero Squadron (Observation) 30 July – 30 September 191824th Aero Squadron, (Observation) 6–22 August 19188th Aero Squadron (Observation), 31 August – 29 September 1918[1]
Headquarters, 2d Day Bombardment Group, 1–11 November 1918 100th Aero Squadron (Day Bombardment), 30 Oct – 11 Nov 1918[1]163d Aero Squadron (Day Bombardment), 1–11 Nov 1918[1]
 Undetermined location near Aubréville, LorraineAmerican Air Services airfield. 50th Aero Squadron (Observation)  28 Oct - 6 Nov 1918
Headquarters, V Corps Observation Group, 4–11 November 1918 99th Aero Squadron (Observation)  4–31 November 1918104th Aero Squadron (Observation) 4–30 November 1918
 Undetermined location near Pretz-en-Argonne, LorraineFrench and American Air Services airfield. 88th Aero Squadron (Observation) 14–20 September 1918
 Located 1.6 miles (2.6 km) ENE of Rembercourt aux Pots, now part of Rembercourt-Sommaisne, LorraineFrench then American Air Services airfield.Headquarters, 1st Pursuit Group, 1 September – 11 November 1918 27th Aero Squadron (Pursuit) 3 September – 12 December 191894th Aero Squadron (Pursuit) 1 September – 20 November 191895th Aero Squadron (Pursuit) 2 September – 11 December 1918Flight Operated from: Verdun Aerodrome, 7 Nov 1918 – unknown147th Aero Squadron (Pursuit) 1 September – 12 December 1918 Flight operated from: Verdun Aerodrome, 25 Sept 1918 – unknown
185th Aero Squadron, (Night Pursuit)) 7 October – 11 November 1918
 Located 1.2 miles (1.9 km) W of Remicourt, Champagne-ArdenneFrench then American Air Service airfield.Headquarters, VII Corps Observation Group, 30 Aug – 23 Nov 1918Headquarters, I Corps Observation Group, 21 Sept – 5 Nov 1918 1st Aero Squadron (Observation) 21 September – 5 November 191812th Aero Squadron (Observation) 20 September – 3 November 191850th Aero Squadron (Observation) 24 September – 28 October 1918
 Located 0.7 miles (1.1 km) N of Saints, Île-de-FranceFrench and American Air Service airfield.Headquarters, 1st Pursuit Group, 9 July – 1 September 1918 1st Aero Squadron (Observation) 29 June – 6 July 191812th Aero Squadron (Observation) 29 June – 6 July 1918
Headquarters, I Corps Observation Group, 29 June – 6 July 1918 27th Aero Squadron (Pursuit) 9 July – 3 September 191894th Aero Squadron (Pursuit) 9 July – 1 September 191895th Aero Squadron (Pursuit) 9 July – 2 September 1918147th Aero Squadron (Pursuit) 9 July – 1 September 1918
 Located 1 mile (1.6 km) SW of Saizerais, LorraineFrench then American Air Service airfield.Headquarters, VI Corps Observation Group, 25 Oct 1918 – 15 April 1919 8th Aero Squadron (Observation), 22 Oct – 21 Nov 1918354th Aero Squadron (Observation), 25 October – 15 April 1919
 Located 0.5 miles (0.80 km) N of Souilly, LorraineFrench and American Air Service airfieldHeadquarters, V Corps Observation Group, 7–20 Sept 1918 99th Aero Squadron (Observation) 7–20 September 1918104th Aero Squadron (Observation) 8–20 September 1918
Headquarters, III Corps Observation Group, 20 Sept – 29 Oct 1918 88th Aero Squadron (Observation) 12–14 Sept 1918; 20 Sept – 4 Nov 191890th Aero Squadron (Observation) 20 Sept – 29 Oct 1918
13th Aero Squadron (Pursuit) 23 September – 16 December 191849th Aero Squadron (Pursuit) 7 November 1918 – 7 December 191922d Aero Squadron (Pursuit) 7 November 1918 – 29 January 1919139th Aero Squadron (Pursuit) 7 November 1918 – late January 1919Det. of 24th Aero Squadron (Obs), 9–18 Oct 1918, 27 Oct – 6 Nov 1918Det. of 91st Aero Squadron (Obs), 16 Oct 1918 – Nov 1918186th Aero Squadron (Observation), 29 Oct 1918 – 15 April 1919
 Located 1.2 miles (1.9 km) WSW of Touquin, Île-de-FranceFrench and American Air Service airfield.Headquarters, 1st Pursuit Group, 28 June – 9 July 1918 27th Aero Squadron (Pursuit) 28 June – 9 July 191894th Aero Squadron (Pursuit) 30 June – 9 July 191895th Aero Squadron (Pursuit) 28 June – 9 July 1918147th Aero Squadron (Pursuit) 28 June – 9 July 1918
 Two airfields (French and American Air Services): first built 2.1 miles (3.4 km) NNW of Vaucouleurs, Lorraine, then second field 0.5 miles (0.80 km) west of the city, on the "Plateau de Bussy".Headquarters, 3d Pursuit Group, 30 July – 20 September 1918 28th Aero Squadron (Pursuit), 16 July –20 September 191849th Aero Squadron (Pursuit), 28 July – 2 August 191893d Aero Squadron (Pursuit), 28 July – 24 September 1918103d Aero Squadron (Pursuit), 7 August –20 September 1918213th Aero Squadron (Pursuit), 26 July – 24 September 1918[1]139th Aero Squadron (Pursuit), 28 May – 30 June 1918[1]
 Located 0.6 miles (0.97 km) SSE of Vavincourt, LorraineAmerican Air Service airfield and depotHeadquarters, 1st Army Observation Group, 22 September – 11 November 1918 24th Aero Squadron (Obs) 22 September 1918 – 15 April 191991st Aero Squadron (Obs) 21 September 1918 – 21 November 1918[1] Det. operated from Souilly, 9–18 Oct 1918, 27 Oct-6 Nov 1918
9th Aero Squadron (Night Observation) 21 Sept – 21 Nov 1918
 Allied airfields at undetermined locations around Verdun, Lorraine Detachment of 27th Aero Squadron (Pursuit) 25 Sep – 12 Dec 1918Detachment of 95th Aero Squadron (Pursuit) 7 -11 Nov 1918
 Located 3.4 miles (5.5 km) NE of Vertus, Champagne-ArdenneFrench Air Service airfield1st Pursuit Organization and Training Center January 1918 – 5 May 1918 94th Aero Squadron (Pursuit) 5 March – 1 April 191895th Aero Squadron (Pursuit) 18 February – 1 April 1918
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