USAAC Aircraft, 1937
Heavy Bombers
Boeing B-17
Consolidated B-24 (undergoing testing)
Medium Bombers
None
(North American B-25 being developed
Martin B-26 being developed)
Light Bombers
Douglas A-20
Martin A-21 (historical Martin Maryland)
Dive Bombers
Douglas SDB (undergoing testing)
Vultee Vengeance (undergoing testing)
Fighters
Curtiss P-36 (being phased out for use as an advanced trainer or sale)
Curtiss P-40
Curtiss P-42*
Lockheed P-38 (undergoing testing)
Republic P-43 (being developed)
Lockhead P-49 (being developed)*
Transports
Douglas C-47
Curtiss C-46 (being developed)
* = non-historical or historically not produced in quantity