US Army Air Force 100th-399th Squadrons 1941-1945 Note: Only overseas stations are listed. All US stations are summarized as continental US. 100th Bombardment Squadron: Organized on 8/27/17 as 106th Aero Squadron, redesignated 800th Aero Squadron on 2/1/18, demobilized by parts in 1919, reconstituted and consolidated in 1936 with the 135th Squadron and assigned to the National Guard. Redesignated as the 135th Observation Squadron on 1/25/23, 114th Observation Squadron on 5/1/23, 106th Observation Squadron on 1/16/24, federalized on 11/25/40, redesignated 106th Observation Squadron (Medium) on 1/13/42, 106th Observation Squadron on 7/4/42, 106th Reconnaissance Squadron on 4/2/43, 100th Bombardment Squadron on 5/9/44, inactivated 12/11/45. 1941-43 Continental US 11/15/43 Guadalcanal (operated through Russell Islands, Jan 44) 1/25/44 Sterling Island (operated from Hollandia, 6 Aug-14 Sep 44) 8/24/44 Sansapor, New Guinea (operated from Morotai 22 Feb-22 Mar 45) 3/15/45 Palawan 1941 O-47, O-49, A-20, P-39 1942 O-47, O-49, A-20, P-39, O-46, L-3, L-4 1943-5 B-25 100th Fighter Squadron: Constituted on 12/27/41 as the 100th Pursuit Squadron, activated 2/19/42, redesignated 100th Fighter Squadron on 5/15/42, inactivated 10/19/45. 1941-43 Montecorvino, Italy 2/21/44 Capodichino, Italy 6/6/44 Ramitelli Airfield, Italy 5/4/45 Cattolica, Italy 7/18/45 Lucera, Italy 1943 P-39, P-40 1944 P-39, P-40, P-47, P-51 1945 P-51 100th Troop Carrier Squadron: Constituted on 5/25/43 as 100th Troop transport Squadron, activated 8/1/43, inactivated 3/27/46. 1943-44 Continental US 3/17/44 Langar, England 4/25/44 Merryfield, England (operated from Grosseto, Italy, 18 Jul-24 Aug 44) 9/8/44 Villeneuve/Vertus, France 10/2/44 St. Marceau, France 11/3/44 Dreux, France 1 1943-45 C-47 101st Bombardment Photographic Squadron: Organized as 39th Aero Squadron on 6/5/17, redesignated Squadron A, Rich Field, Texas, on 7/14/18, demobilized 11/19/18, reconstituted and consolidated in 1933 with 39th School Squadron, activated 8/1/27, redesignated 39th Observation Squadron on 3/1/35, inactivated on 9/1/36, activated 2/1/40, redesignated 39th Observation Squadron (Medium) on 2/26/42, 39th Observation Squadron on 7/4/42, 39th Reconnaissance Squadron on 6/25/43, 101st Photographic Reconnaissance Squadron on 6/12/44, 101st Bombardment Photographic Squadron on 2/7/45, and inactivated 12/25/45. 2/1/40 France Field, Canal Zone 3/20/42 Howard Field, Canal Zone 8/6/42 Waller Field, Tri nidad 3/15/44 Dalhart AAFld, Texas 5/1/44 Esler field, Louisiana 2/6/45 Stuttgart AAFld, Arkansas 1941 O-47, O-49 1942 O-47, O-49, L-4, C-45 1943 O-47, O-49, L-4, B-18, P-39, C-45 1944 O-47, O-49, B-18, P-39, B-25, C-6, O-52, UC-61 UC-78, B-25/F-10, A-25, L-5 1945 B-25/F-10, A-26 102nd Tactical Reconnaissance Squadron: Organized as 102nd Aero Squadron on 8/23/17, demobilized 5/1/19, reconstituted and consolidated in 1936 with 102nd Squadron, part of the National Guard since 11/17/21. Redesignated the 102nd Observation Squadron on 1/25/23, federalized 10/15/40, redesignated 102nd Observation Squadron (Light) on 1/13/42, 102nd Observation Squadron on 7/4/42, 102nd Reconnaissance Squadron (Bombardment) on 4/2/43, 102nd Tactical Reconnaissance Squadron on 8/11/43, disbanded 4/15/44. The 102nd never deployed overseas, but remained in the US. 1941 O-47, O-49 1942 O-47, O-49, O-52, O-57, L-4 1943 O-47, O-49, O-52, L-4 , A-20, B-25, L-5, P-40 1944 A-20, B-25, L-5, P-40 105th Reconnaissance Squadron: Organized on 8/27/17 as the 105th Aero Squadron, demobilized 5/8/19, reconstituted and consolidated in 1936 with the 136th Squadron, part of the National Guard. Redesignated the 136th Observation Squadron on 1/26/23, 105th Observation Squadron in 1923-4, federalized on 9/16/40, redesignated the 105th Observation Squadron (Medium) on 1/13/42, 105th Observation Squadron on 7/4/42, inactivated on 10/18/42, activated on 3/1/43, redesignated 105th Reconnaissance Squadron (Bombardment) on 4/2/43, disbanded 8/15/43. The squadron never left the Continental US. 1941 O-47, O-52, O-49, O-57 1942 O-47, O-52, B-10, O-46, O-49, O-57 1943 B-25 107th Tactical Reconnaissance Squadron: Organized on 8/27/17 as the 107th Aero Squadron, redesignated 801st Aero Squadron on 2/1/18, demobilized 3/18/19, reconstituted and consolidated in 1936 with the 107th Observation Squadron, a National Guard Unit. Federalized on 01/15/40, redesignated 107th Observation Squadron (Light) on 1/13/42, 107th Observation Squadron on 7/4/42, 107th Reconnaissance Squadron (Fighter) on 5/31/43, 107th Tactical Reconnaissance Squadron on 11/13/43, inactivated 11/9/45. 1941-42 Continetal US 9/7/42 Membury, England 11/25/42 Aldermaston, England 1/8/43 Membury, England 12/11/43 Middle Wallop, England 6/28/44 Jumeaux, France 7/5/44 Le Molay, France 8/29/44 Toussus Le Noble, France 9/16/44 Goselies, Belgium (operated from Chievres, Belgium, 7-18 Dec 44) 3/23/45 Vogelsang, Germany 4/4/45 Limburg, Germany 1941 O-47, O-49 1942 O-47, O-49, O-52, A-20, P-51, Spitfire, L-4 1943 Spitfire, L-4, A-20, DB-7, P-51/F-6 1944 Spitfire, P-51/F-6 1945 P-51/F-6 108th Reconnaissance Squadron: Organized on 8/27/17 as the 108th Aero Squadron, redesignated 802nd Aero Squadron on 2/1/19, demobilized 6/11/19, reconstituted and consolidated in 1936 with the 108th Observation Squadron, a National Guard formation. Activated on 7/1/25, federalized on 2/3/41, redesignated 108th observation Squadron (Medium) 0n 1/13/42, 108th Observation Squadron on 7/4/42, 108th Reconnaissance Squadron (Special) on 6/25/43, inactivated 11/1/43. 1941 Continental US 1/14/42 Rio Hato, Panama 1/19/42 Howard Field, Canal Zone 1941 O-38, O-47, O-31, O-49 1942 O-47, L-4, O-49 1943 O-47, L-4, B-18, P-39, O-49, A-18, P-36 109th Tactical Reconnaissance Squadron: Organized on 8/27/17 as 109th Aero Squadron, redesignated 803rd Aero Squadron on 2/1/18. Demobilized on 6/23/19, reconstituted, consolidated and assigned to the National Guard on 1/17/21. Redesignated on 1/25/23 as 109th Observation Squadron, federalized on 2/10/41, redesignated 109th Observation Squadron (Medium) on 1/13/42, 109th Observation Squadron on 7/4/42, 109th Reconnaissance Squadron (Fighter) on 5/31/43, 109th Tactical Reconnaissance Squadron on 11/13/43, inactivated 11/9/45. 1941 Continental US 9/7/42 Membury, England 11/21/42 Atcham, England 5/15/43 Membury, England 12/12/43 Middle Wallop, England 7/4/44 Le Molay, France 8/29/44 Toussus le Noble, France 8/31/44 Buc, France 9/20/44 Gosselies, Belgium (operated from Chievres, Belgium 7-18 Dec 44) 3 3/24/45 Vogelsang, Germany 4/2/45 Limburg, Germany 1941 O-47, O-49, O-58, 1942 O-47, O-49, O-58, O-52, A-20, Spitfires, L-4 1943 L-4, Spitfires, P-51/F-6 1944 L-4, P-51/F-6 1945 P-51/F-6 110th Tactical Reconnaissance Squadron: Organized on 8/14/17 as 110th Aero Squadron, redesignated 804th Aero Squadron on 2/1/18; redesignated Squadron K, Kelly Field, TX on 7/23/18; demobilized on 11/18/18; reconstituted and consolidated with 110th Observa- tion Squadron as part of the National Guard on 6/23/23. Federalized on 12/23/40, redesignated 110th Observation Squadron (Light) on 1/13/42, 110th Observation Squadron on 7/4/42, 110th Reconnaissance Squadron (Fighter) on 4/2/43, 110th Tactical Reconnais- sance Squadron on 5/10/44, inactivated 2/20/46. 1941-43 Continental US 12/5/43 Brisbane, Australia 12/21/43 Port Mortesy, New Guinea (flight operating from Gusap, New Guinea, after 1/20/44 2/7/44 Gusap, New Guinea (operated from Tadji, New Guinea, after 5/25/44) 9/11/44 Biak 11/3/44 Dulag, Leyte, Philippines (operated primarily from Tacloban, Leyte, to 12/24/44 & from San Jose, Mindoro, from 12/25/44 to 1/22/45) 1/20/45 Lingayen, Luzon, Philippines 7/28/45 Ie Shima 1941 O-38, O-47 1942 O-47, O-49, O-46, O-52, L-2, P-39, A-20, P-40 1943 O-47, P-39, B-25, A-20, P-40 1944 P-39, P-40 1945 P-40, P-51/F-6 111th Tactical Reconnaissance Squadron: Organized on 8/14/17 as the 111th Aero Squadron, redesignated 632rd on 2/1/18, demobilized 8/19/19. It was reconstituted and consolidated in 1936 with the 111th Observation Squadron, a National Guard formation that was activated on 6/29/23. It was federalized on 11/25/40. It was redesignated as the 111th Observation Squadron (Medium) on 1/13/42, 111th Observation Squadron on 7/4/42, 111th Reconnaissance Squadron (Fighter) on 11/13/43, and inactivated on 12/15/45.