US Army Air Force 100th-399th Squadrons 1941-1945 Note: Only overseas stations are listed. All US stations are summarized as continental US. 400th Bombardment Squadron: Constituted on 1/28/42 as the 10th Reconnaissance Squadron (Heavy), activated 4/15/42, redesignated 400th Bombardment Squadron (Heavy) on 4/22/42, inactviated 1/27/46. 1942 Continental US 9/12/42 Hickam Field, Hawaii 11/4/42 Iron Range, Australia 3/22/43 Port Moresby, New Guinea 12/43 Dobodura, New Guinea 2/23/44 Nadzab, New Guinea 8/12/44 Biak 1/26/45 San Jose, Mindoro, Philippines 8/11/45 Ie Shima 1942-45 B-24 401st Bombardment Squadron: Constituted on 1/28/42 as the 11th Reconnaissance Squadron (Heavy), activated on 4/15/42, redesignated 401st Bombardment Squadron on 4/22/42, inactivated 7/11/45. 1942 Continental US 9/13/42 Kimbolton, England 10/14/42 Bassingbourn, England 1942-45 B-17 401st Fighter Squadron: Constituted on 5/25/43, activated 7/1/43, inactivated 11/7/45. 1943 Continental US 2/12/44 Aldermaston, England 2/29/44 Andover, England 7/31/44 Cardonville, France 8/15/44 La Vielle, France 9/6/44 Lonray, France 9/12/44 Roye/Amy, France 9/27/44 Florennes/Juxaine, Belgium 1/27/45 Zwartberg, Belgium 4/20/45 Gutersloh, Germany 1943 P-47 1944 P-47, P-38 1945 P-38, P-51 402nd Bombardment Squadron: Constituted as 12th Reconnaissance Squadron (Heavy), activated 1/15/41, redesignated 402nd Bombardment Squadron (Heavy) on 4/22/42, 402nd Bombardment Squadron (Very Heavy) on 3/28/44, inactivated on 4/1/44. Anti-submarine 1 patrols Dec 41-Jan 42, operational and replacement training 1942-44, combat 6/30/45-8/15/45. 1941-4 Continental US 5/12/45 Northwest Field, Guam 1941 B-25, B-17 1942 B-17, B-24 1943 B-24 1944 B-24, B-29 1945 B-29 402nd Fighter Squadron: Constituted on 5/25/43 as the 402nd Fighter Squadron, activated 7/1/43, inactivated 11/10/45. 1943 Continental US 2/12/44 Aldermaston, England 3/1/44 Andover, England 7/31/44 Cardonville, France 8/15/44 La Veille, France 9/6/44 Lonray, France 9/11/44 Roye/Amy, France 9/26/44 Florennes/Juxiane, Belgium 7/17/45 Zwartberg, Belgium 4/22/45 Gutersloh, Germany 1943 P-47 1944 P-47, P-38 1945 P-38, P-51 403rd Bombardment Squadron: Constituted on 11/20/40 as the 13th Reconnaissance Squadron (Heavy), activated on 1/15/41, redesignated as the 403rd Bombardment Squadron (Heavy) on 4/22/42, inactivated 4/29/45. 1941 Continental US 2/27/42 Melbourne, Australia 3/14/42 Laverton, Australia 8/27/42 Torrens Creek, Australia 10/17/42 Iron Range, Australia 11/23/42 Milne Bay, New Guinea 1/21/43 Mareeba, Australia 5/11/43 Port Moresby, New Guinea 12/13/43 Dobodura, New Guinea 3/12/44 Nadzab, New guinea 7/28/44 Owi, Schouten Islands 11/19/44 Tacloban, Leyte, Philippines 3/15/45 Clark Field, Luzon, Philippines 7/22/45 Ie Shima 403rd Fighter Squadron: Constituted on 3/87/43 as the 403rd Fighter Squadron, activated on 3/15/43, disbanded 12/15/43. Operational training unit Mar-Dec 1943. 1943 Continental US 1943 P-40, P-39 404th Bombardment Squadron: Constituted on 11/20/40 as 14th Reconnaissance Squadron (Heavy), activated on 1/15/41, redesignated 404th Bombardment Squadron (Heavy) on 4/22/42, inactivated 1/5/47. Antisubmarine patrols. 1941-2 Continental US 9/13/42 Adak, Alaska 9/21/42 Elmendorf field, Alaska 3/22/43 Adak, Alaska (operated from Anchitka beginning on 6/4/43) 2/26/44 Shemya 1941-45 B-24 404th Fighter Squadron: Constituted on 5/25/43 as 404th Fighter Squadron, activated on 7/15/43, inactivated 11/10/45. 1943 Continental US 3/7/44 Bisterne, England (operated from Ibsley, England 21 Apr-14 May 44) 9/23/44 Beuzeville, France 9/16/44 Dole/Tavaux, France (operated from Dijon, France, 12 Nov-22 Dec 44 12/20/44 Tantonville, France 2/15/45 Metz, France 5/5/45 Frankfurt/Eschborn, Germany 1943-45 P-47 405th Bombardment Squadron: Constituted on 11/20/40 as the 15th Reconnaissance Squadron (Medium), activated on 1/15/41, redesignated 405th Bombardment Squadron (Medium) on 4/22/42, and redesignated as the 405th Bombardment Squadron (Light) on 5/6/46. 1941 Continental US 2/25/42 Doomben Field, Australia 3/8/42 Ballarat, Australia 8/7/42 Breddan Field, Australia 9/30/42 Townsville, Australia 10/25/42 Port Moresby, New guinea 6/3/44 Nadzab, New Guinea 9/5/44 Biak 10/15/44 Morotai 1/30/45 Lingayen, Luzon, Philippines 7/21/45 Okinawa 1941 B-18, PT-13, B-26 1942 B-26, B-25 1943 B-25 1944 B-25 1945 B-25 405th Fighter Squadron: Constituted on 5/25/43 as the 405th Fighter Squadron, activated on 7/15/43, inactivatd 11/10/45. 3 1943 Continental US 3/7/44 Bisterne, England (operated from Ibsley, England 21 Apr-14 May 44) 6/17/44 Beuzeville, France 9/12/44 Perthes, France 10/3/44 Dole/Tavaux, France (operated from Dijon, France, 11 Nov-23 Dec 44) 12/21/44 Tantonville, France 2/13/45 Metz, France 4/4/45 Frankfurt/Eschbor, Germany 1943-45 P-47 406th Bombardment Squadron: Constituted on 11/20/40 as the 16th Reconnaissance Squadron (Medium), 1/15/41, redesignated 406th Bombardment Squadron (Medium) on 4/22/42, as the 406th Bombardment Squadron (Heavy) on 11/2/43, 406th Bombardment Squadron (Very Heavy) on 8/5/45, inactivated 10/17/45. Anti-submarine patrols until 1944, 5 Jan-Aug 44 served as a "Carpetbagger" unit and leaflet missions from Aug 44 to 9 May 45. 1941-2 Continental US 6/42 Elmendorf Field, Yakutat, Naknek & Kodiak, Alaska 11/15/42 Elmendorf Field, Alaska 10/23/43 Portland, Oregon 11/2/43 England 11/11/43 Alconbury, England 2/7/44 Watton, England 3/25/44 Harrington, England 8/5/44 Cheddington, England 3/15/45 Harrington, England 1941 B-18, B-26 1942 B-18, B-26, A-29 1943 B-18, A-29, B-25, B-24 1944 B-24 1945 B-24 406th Fighter Squadron: Constituted on 5/25/43 as 406th Fighter Squadron, activated on 7/15/43, inactivated 11/10/45. 1943 Continental US 3/7/44 Bisterne, England (operated from Ibsley, England from 21 Apr-2 May 44) 6/17/44 Beuzeville, France 9/20/44 Perthes, France 10/1/44 Dole/Tavaux, France 12/20/44 Tantonville, France 2/15/45 Metz, France 4/5/45 Frankfurt/Eschborn, Germany 5/3/45 Horsching, Austria 1943-45 P-47 407th Bombardment Squadron: Constituted on 1/28/42 as the 17th Reconnaissance Squadron (Heavy), activated on 3/1/42, redesignated 407th Bombardment Squadron (Heavy) and inactivated 2/28/46. 1942 Continental US 8/18/42 Bovingdon, England 1/6/43 Alconbury, England 9/15/43 Podington, England 5/45 Istres, France 1942-5 B-17 407th Fighter Squadron: Constituted on 10/12/43 as the 407th Fighter Squadron, activated on 10/15/43, redesignated 407th Fighter-Bomber Squadron on 4/5/44, 407th Fighter Squadron 6/5/44, inactivated 11/7/45. Replacement training and air support for army maneuvers in US. 1943-5 Continental US 1943 P-39 1944 P-39, P-40 1945 P-40, P-51 408th Bombardment Squadron: Organized on 8/20/18 as 189th Aero Squadron, redesignated Squadron B, Rockwell Field, CA, on 7/23/18, demobilized 11/23/18, reconstituted and consolidated on 3/17/25 with 18th Squadron. Organized on 10/1/21, inactivated 7/23/22, redesignated 18th Observation Squadron on 1/25/23, disbanded on 2/18/25, reconstituted and consolidated on 3/17/25, redesignated HQ Squadron, Bolling Field, DC, on 10/6/24, 18th Headquarters Squadron on 3/17/25, inactivated 3/31/28, disbanded 10/1/33, reconstituted and consolidated with 18th Observation Squadron (Long Range, Light Bombardment), redesignated 18th Reconnaissance Squadron (Medium Range) on 12/6/39, 18th Reconnaissance Squadron (Medium) on 11/20/40, 408th Bombardment Squadron (Medium) on 4/22/42, 408th Bombardment Squadron (Heavy) on 2/3/44, inactivated 4/29/46. 1941 Continental US 2/25/42 Brisbaine, Australia 4/7/42 Townsville, Australia 4/12/42 Reid River, Australia 10/15/43 Dobodura, New Guinea 12/22/43 Nadzab, New Guinea 7/26/43 Owi, Schouten Islands 11/9/44 Leyte, Philippines 12/1/44 Anguar 1/14/45 Samar 3/13/45 Clark Field, Luzon, Philippines 8/21/45 Okinawa 1941 B-18, A-17, C-8, OA-4, OA-8, B-25 1942 B-26 1943 B-25, B-26 1944 B-25, B-26, B-24 1945 B-24 408th Fighter Squadron: Constituted on 10/12/43 as the 408th Fighter Squadron, activated on 10/15/43, redesignated the 408th Fighter-Bomber Squadron on 4/5/44, redesignated the 408th Fighter Squadron on 6/5/44, and inactivated on 11/7/45. Replacement training and air support for army maneuvers. 5 1943-5 Continental US only 1943 P-39 1944 P-39, P-40 1945 P-40, P-51 409th Bombardment Squadron: Constituted on 1/28/42 as the 19th Reconnaissance Squadron (Heavy), activated on 3/1/42, redesignated 409th Bombardment Squadron (Very Heavy) on 8/5/45. 1942 Continental US 9/7/42 Hardwick, England (operated from Tafaraoui, Algeria from 7-15 Dec 42; Gambut, Lybia, 15 Dec 42 - 2 Feb 43; Bengasi, Libya, 27 Jun-26 Aug 43; Oudna, Tunisia, 18 Sep-3 Oct 43).