United States Army Air Force (USAAF)
World War II units in the Pacific

Background
On July 2, 1926 the U.S. Army Air Corps (USAAC) was established. On June 20, 1941 became the U.S. Army Air Force (USAAF). On September 18, 1947 disbanded with the formation of the U.S. Air Force (USAF).

Air Force (AF)
Far East Air Force (FEAF)
5th Air Force (5th AF) "Forgotten Fifth"
6th Air Force (6th AF) "Panama Canal Air Force"
7th Air Force (7th AF) "Hawaiian Air Force"
10th Air Force (10th AF)
11th Air Force (11th AF) "Alaskan Air Force"
13th Air Force (13th AF) "Jungle Air Force"
14th Air Force (14th AF)
20th Air Force (20th AF)

Fighter Group (FG)
8th Fighter Group (8th FG) "Cyclone's Flying Circus"
18th Fighter Group (8th FG)
21st Fighter Group (21st FG)
23rd Fighter Group (23rd FG)
24th Pursuit Group (24th PG)
35th Fighter Group (35th FG)
49th Fighter Group (49th FG)
54th Fighter Group (54th FG)
58th Fighter Group (58th FG)
80th Fighter Group (80th FG) "Burma Banshees"
311th Bombardment Group (Dive) / 311th Fighter Bomber Group (311th FBG)
318th Fighter Group (318th FG)
343rd Fighter Group (343rd FG)
347th Fighter Group (347th FG)
348th Fighter Group (348th FG)
475th Fighter Group (475th FG) "Satan's Angels"
506th Fighter Group (506th FG)

Bombardment Group (BG)
3rd Bombardment Group (3rd BG) "The Grim Reapers"
5th Bombardment Group (5th BG) "Bomber Barons"
7th Bombardment Group (7th BG)
11th Bombardment Group (11th BG)
12th Bombardment Group (12th BG)
19th Bombardment Group (19th BG)
22nd Bombardment Group (22nd BG) "Red Raiders"
27th Bombardment Group (27th BG)
28th Bombardment Group (28th BG) / 28th Composite Group (28th CG)
38th Bombardment Group (38th BG) "Sun Setters"
41st Bombardment Group (41st BG)
42nd Bombardment Group (42nd BG) "The Crusaders"
43rd Bombardment Group (43rd BG) "Ken's Men"
90th Bombardment Group (90th BG) "Jolly Rogers"
307th Bombardment Group (307th BG) "Long Rangers"
311th Bombardment Group (311th BG) / 311th Fighter-Bomber Group (311th FBG)
312th Bombardment Group (312th BG) "Roarin' 20's"
345th Bombardment Group (345th BG) "Air Apaches"
380th Bombardment Group (380th BG) "Flying Circus"
417th Bombardment Group (417th BG) "Sky Lancers"
505th Bombardment Group (505th BG)

Photographic Reconnaissance Group (PRG)
4th Photographic Reconnaissance Group (4th PRG)
6th Photographic Reconnaissance Group (6th PRG)

Tactical Reconnaissance Group (PRG)
71st Tactical Reconnaissance Group (71st TRG)

Night Fighter Squadron (NFS)
418th Night Fighter Squadron (418th NFS)
421st Night Fighter Squadron (421st NFS)

Troop Carrier Wing (TCW)
54th Troop Carrier Wing (54th TCW)

Troop Carrier Group (TCG)
63rd Troop Carrier Group (63rd TCG)
317th Troop Carrier Group (317th TCG)
374th Troop Carrier Group (374th TCG)
375th Troop Carrier Group (375th TCG)
403rd Troop Carrier Group (403rd TCG)
433rd Troop Carrier Group (433rd TCG)

Service Group (SG)
Far East Air Force - Combat Replacement Training Center (FEAF-CRTC, 360th Service Group, 8th Service Group)

Rescue Composite Group (Provisional) Emergency Rescue Squadron (ERS)
5276th Rescue Composite Group (Provisional) / 5th Emergency Rescue Group (5th ERG)

Emergency Rescue Squadron (ERS)
2nd Emergency Rescue Squadron (2nd ERS)
3rd Emergency Rescue Squadron (3rd ERS)
4th Emergency Rescue Squadron (4th ERS)
5th Emergency Rescue Squadron (5th ERS)
6th Emergency Rescue Squadron (6th ERS)
7th Emergency Rescue Squadron (7th ERS)

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