I will use some of the most famous aircrafts of ww2 to symbolize basically three types of units; fighters, tactical bombers and strategic bombers. Here are some US examples:

Grumman F4F Wildcat will be the carrier based fighter.
The P-51 Mustang will be the long range fighter/bomber escort from 1942.

The B-17 will be the long range Strategic bomber, possibly with the addition of a few Liberators.

The C-47 Dakota will be the transport plane of the US army. It will be able to transport 2 infantry units, and also drop paratroopers.
The planes are from
Tumbling Dice