The 434th Operations Group is an active United States Air Force Reserve unit. It is the flying component of the Fourth Air Force 434th Air Refueling Wing, stationed at Grissom Air Reserve Base, Indiana.

 This article incorporates public domain material from the Air Force Historical Research Agency

• Maurer, Maurer (1983). Air Force Combat Units Of World War II. Maxwell AFB, Alabama: Office of Air Force History. ISBN 0892010924
• Johnson, David C. (1988), U.S. Army Air Forces Continental Airfields (ETO), D-Day to V-E Day; Research Division, USAF Historical Research Center, Maxwell AFB, Alabama.

v t e USAAF Ninth Air Force in World War II
Stations	Palestine (Mand) Lydda Muqueibile Ramat David St Jean Egypt Abu Sueir Ismailia El Amiriya Daba Deversoir Fayid Kabrit * Landing Ground 174 Payne Sidi Haneish Libya Baheira Belandah Benina Castel Benito Berca Darragh El Adem El Assa Gambut Hamraiet Lete Martuba Tmed El Chel Tobruk Tripoli Sidi Azeiz Tunisia Ben Gardane Bou Grara Chekira Hani Hazbub Hergla El Djem El Haouaria Kairouan Medenine Menzel Heurr Sfax Soltane United Kingdom Aldermaston Andover Andrews Field Ashford Balderton Barkston Heath Beaulieu Birch Bisterne Boreham Bottesford Boxted Charmy Down Chalgrove Chilbolton Chipping Ongar Christchurch Cottesmore Earls Colne Exeter Folkingham Fulbeck Gosfield Great Dunmow Greenham Common Grove High Halden Headcorn Holmsley South Hurn Ibsley Kingsnorth Langar Lashenden Little Walden Lymington Matching Membury Merryfield Middle Wallop North Witham Ramsbury Raydon Rivenhall Saltby Scorton Staplehurst Spanhoe Stansted Stoney Cross Thruxton Upottery Warmwell Welford Weston Zoyland Wethersfield Winkton Woodchurch Wormingford Europe Advanced Landing Grounds (ALGs) in France, Belgium, Netherlands, and Germany too numerous.
Units	Commands 9th Air Division (was IX Bomber Command) IX Air Defense IX Fighter IX Tactical Air IX Troop Carrier XIX Tactical Air XXIX Tactical Air Wings Bombardment 97th Bombardment 98th Bombardment 99th Bombardment Fighter 8th Fighter 9th Fighter 70th Fighter 71st Fighter 84th Fighter 100th Fighter 303d Fighter Troop carrier 50th Troop Carrier 52d Troop Carrier 53d Troop Carrier Groups Bombardment 12th Bombardment 98th Bombardment 322d Bombardment 323d Bombardment Group 340th Bombardment Group 344th Bombardment Group 376th Bombardment 386th Bombardment 387th Bombardment 391st Bombardment 394th Bombardment 397th Bombardment 409th Bombardment 410th Bombardment 416th Bombardment Fighter 36th Fighter 48th Fighter 50th Fighter 57th Fighter 79th Fighter 324th Fighter 354th Fighter 358th Fighter 365th Fighter 362d Fighter 363d Fighter 366th Fighter 367th Fighter 368th Fighter 370th Fighter 371st Fighter 373d Fighter 404th Fighter 405th Fighter 406th Fighter 474th Fighter Troop carrier 61st Troop Carrier 64th Troop Carrier 313th Troop Carrier 314th Troop Carrier 315th Troop Carrier 316th Troop Carrier 349th Troop Carrier 434th Troop Carrier 435th Troop Carrier 436th Troop Carrier 437th Troop Carrier 438th Troop Carrier 439th Troop Carrier 440th Troop Carrier 441st Troop Carrier 442d Troop Carrier IX Troop Carrier Pathfinder (Provisional) Reconnaissance 10th Reconnaissance 67th Reconnaissance 69th Reconnaissance Squadrons Liaison 14th Liaison 47th Liaison Night fighter 422d Night Fighter 425th Night Fighter
United States Army Air Forces First Second Third Fourth Fifth Sixth Seventh Eighth Ninth Tenth Eleventh Twelfth Thirteenth Fourteenth Fifteenth Twentieth