1945 Y-15 Aix/Les Milles, France Now: Aix-en-Provence Aerodrome Located: Opened: 28 August – 20 November 1944 Repaired by MTO (12AF) Engineers Runway: 4200x150 ETH Use: Resupply/Casualty evacuation airfield Y-16 Salon, France Located: Now: Salon-de-Provence Air Base (BA 701) Opened: 28 August 1944 Closed: 20 November 1944 Runway: 6000x150, SOD/ETH, (04/22) Repaired by MTO (12AF) Engineers Used by: 27th Fighter Bomber Group, 30 April – 11 September 1944 (P-47) (12th AF) 47th Bombardment Group, 7–18 September 1944 (A-20) (12th AF) Y-17 Istres/Le Tube, France Also known as: AAF-196 Located: Now: Istres-Le Tubé Air Base (BA 125) Opened: 27 August 1944 Closed: Undetermined Repaired by MTO (12AF) Engineers Runway 1: 5800x197, ASP, (15/33) Runway 2: 6000x150, ETH, (15/33) Runway 3: 6000x200, ASP, (10/28) Used by: 324th Fighter Group, 2–6 September 1944 (P-47) (12th AF) Y-18 Le Vallon, France Located: (abandoned) Opened: 30 August 1944 Closed: 20 November 1944 Constructed by MTO (12AF) Engineers Runway: 7800x300, SOD, (13/31) Used by: 415th Night Fighter Squadron, 1–25 September 1944 (P-61) 417th Night Fighter Squadron, 12 September – 5 April 1945 (Bristol Beaufighters) (12th AF) Y-19 La Jasse, France Located: Opened: 30 August – 20 November 1944 Runway: 6000x150 SOD (12/30) Use: Emergency landing/refueling airfield Y-20 Sisteron, France Located: Opened: 28 August – 20 November 1944 Constructed by MTO (12AF) Engineers Runway: 5000x150 SOD (17/35) Use: Emergency Landing/Refueling Airfield Y-21 Montelimar/Ancone, France Now: Montélimar Ancone Airport Located: Opened: 3 September – 20 November 1944 Constructed by MTO (12AF) Engineers Runway: 6000x150 SOD (17/35) Use: Emergency landing/refueling airfield Y-22 Crest, France Located: Opened: 29 August – 20 November 1944 Constructed by MTO (12AF) Engineers Runway: 5000x150 SOD (01/19) Use: Supply and Evacuation Airfield Y-23 Valence, France Located: Now: Valence-Chabeuil Airport Opened: 2 September 1944 Closed: 20 November 1944 Constructed by MTO (12AF) Engineers Runway: 5500x150, SOD, (01/19) Used by: 79th Fighter Group, September 1944 (P-47) (12th AF) Y-24 Satolas, France Now: Lyon-Saint Exupéry Airport Located: Opened: 7 September – 20 November 1944 Runway: 4000x150 SOD (17/35) Use: 111th Tactical Reconnaissance Squadron, September 1944 Y-25 Lyon/Loyettes, France Located: Opened: Closed: 20 November 1944 Constructed by MTO (12AF) Engineers Runway: 6000x150, SOD, (02/20) Used by: 27th Fighter Bomber Group, 11 September – October 1944 (P-47) (12th AF) Y-26 Lons-le-Saunier, France Now: Lons-le-Saunier Airport Located: Opened: 12 September – 20 November 1944 Runway: 3000/150 SOD (08/26) Use: 72d Liaison Squadron, September 1944 Y-27 Besancon/Thise, France Now: Besancon-Thiese Airport Located: Opened: