20th Air Force Organizational Structure
August-45
Wing/Command Group Squadron Tail ID Location Notes
XX Bomber Command     Originated Kraragpur, India
1st Photo Squadron (Detachment C)    
58th Bomb Wing   Chakulia, Kharagpur, Hijli A/B & West Field, Tinain
22nd Air Base Group      
40th Bomb Group Triangle S Chakulia, India, Hsingching, China, & West Field, Tinain
  25th Bomb Squadron      
  44th Bomb Squadron      
  45th Bomb Squadron      
  395th Bomb Squadron      
  28th Air Service Group      
444th Bomb Group Triangle N Dudkhuadi, India, Kwanghan, China, & West Field, Tinain
  676th Bomb Squadron    
  677th Bomb Squadron    
  678th Bomb Squadron    
  679th Bomb Squadron     (deactivated 10/44)
  25th Air Service Group      
462nd Bomb Group Triangle U Piardpba, India, Kiunglai, China & West Field, Tinain
  768th Bomb Squadron      
  769th Bomb Squadron      
  770th Bomb Squadron      
  86th Air Service Group      
468th Bomb Group Triangle I Kharagpur, India, Pengshan, China & West Field, Tinain
  792nd Bomb Squadron      
  793rd Bomb Squadron      
  794th Bomb Squadron     (made up of deactivated 795th)
  795th Bomb Squadron     (deactivated 10/44)
  87th Air Service Group      
XXI Bomber Command     Guam, Marinas Islands
3rd Photo Squadron      
73rd Bomb Wing   Isley Field, Saipan  
?  Air Base Group      
497th Bomb Group A Square Isley Field, Saipan  
  869th Bomb Squadron      
  870th Bomb Squadron      
  871st Bomb Squadron      
  65th Air Service Group      
498th Bomb Group T Square Isley Field, Saipan  
  873rd Bomb Squadron      
  874th Bomb Squadron      
  875th Bomb Squadron      
  94th Air Service Group      
499th Bomb Group V Square Isley Field, Saipan  
  877th Bomb Squadron      
  878th Bomb Squadron      
  879th Bomb Squadron      
  303th Air Service Group    
500th Bomb Group Z Square Isley Field, Saipan  
  881st Bomb Squadron      
  882nd Bomb Squadron      
  883rd Bomb Squadron      
  330th Air Service Group    
313th Bomb Wing   North Field, Tinain  
?  Air Depot Group      
6th Bomb Group Circle R North Field, Tinain  
  24th Bomb Squadron      
  39th Bomb Squadron      
  40th Bomb Squadron      
  72nd Air Service Group      
9th Bomb Group Circle X North Field, Tinain  
  1st Bomb Squadron      
  5th Bomb Squadron      
  99th Bomb Squadron      
  77nd Air Service Group      
504th Bomb Group Circle E North Field, Tinain  
  398th Bomb Squadron      
  421st Bomb Squadron      
  680th Bomb Squadron      
  358th Air Service Group    
505th Bomb Group Circle W North Field, Tinain  
  482nd Bomb Squadron      
  483rd Bomb Squadron      
  484th Bomb Squadron      
  ? Air Service Group      
509th Bomb Group Various North Field, Tinain Composite and had no squadrons
  1st Ordinance Squadron    
314th Bomb Wing   North Field, Guam  
24th  Air Depot  Group      
19th Bomb Group Square M North Field, Guam  
  28th Bomb Squadron      
  30th Bomb Squadron      
  93rd Bomb Squadron      
  72nd Air Service Group      
29th Bomb Group Square O North Field, Guam  
  6th Bomb Squadron      
  43rd Bomb Squadron      
  52nd Bomb Squadron      
  77th Air Service Group      
39th Bomb Group Square P North Field, Guam  
  60th Bomb Squadron      
  61st Bomb Squadron      
  62nd Bomb Squadron      
  358th Air Service Group    
330th Bomb Group Square K North Field, Guam  
  457th Bomb Squadron      
  458th Bomb Squadron      
  459th Bomb Squadron      
  359th Air Service Group    
315th Bomb Wing   Northwest Field, Guam
? Air Depot  Group      
16th Bomb Group Diamond B Northwest Field, Guam
  15th Bomb Squadron      
  16th Bomb Squadron      
  17th Bomb Squadron      
  24th Air Service Group      
331st Bomb Group Diamond L Northwest Field, Guam
  355th Bomb Squadron      
  356th Bomb Squadron      
  357th Bomb Squadron      
  73rd Air Service Group      
501st Bomb Group Diamond Y Northwest Field, Guam
  21st Bomb Squadron      
  41st Bomb Squadron      
  485th Bomb Squadron      
  73rd Air Service Group      
502nd Bomb Group Diamond H Northwest Field, Guam
  402nd Bomb Squadron      
  411th Bomb Squadron      
  430th Bomb Squadron      
  ? Air Service Group      
Fighter Support from 7th AF      
7th Fighter Command     Attached to 20th AF
15th Fighter Group   Iwo Jima  
  45th FS Green    
  47th FS Blue    
  78th FS Yellow    
21st Fighter Group   Iwo Jima  
  46th FS Blue    
  72nd FS Yellow    
  531st FS White    
318th Fighter Group   Ie Shima (Loaned to 301st FW)
  19th FS Blue    
  73rd FS      
  333rd FS Yellow    
301st Fighter Wing      
413th Fighter Group   Ie Shima  
  1st FS      
  21st FS      
  24th FS      
414th Fighter Group   Iwo Jima (Loaned to 7th FC)
  413th FS      
  437th FS      
  456th FS      
506th Fighter Group   Iwo Jima (Loaned to 7th FC)
  457th FS      
  458th FS      
  462nd FS      
507th Fighter Group   Ie Shima  
  463rd FS      
  464th FS      
  465th FS