Gloster meteor, yeah it didnt see a whole lot of action and no a2a combat but why does germany get the only jet just because it saw more time
 pby/pbm
 tbd devastators
 Float planes from cruisers 
 helldiver
 ship control
 lcvp, lst, etc...
 troops more realistic that accomplish more, not all looking like pilots, moving on there own ,and have something more than a .45 
 building airfields on islands, seabeas, to have a small fob or fall back position, 
 b29, not for the nuke just on really large areas
 half track with 75 mm
 british, japanese: vehicles, tanks armored cars...
 CCKW                                                    
 escort carriers
 be able to
 destructable terrain, I mean like trees and stuff because it looks stupid when you drop a few thousand pounds of bombs and nothing happens to the trees plus it really sucks that you can't blow up or run over a tree standing in your way with a tank 
 more ideas later as they come to me  
 Katyusha rocket trucks
 Amphibious german tanks, yes they used them, ask the czechs and the soviets
 Maybe Gliders, so you can carry in a jeep and drive it to your destination 
 bren gun carrier
 m12 
 m26
 m18
 dd tanks
 stuart tank
 dukw
 beaufighter 
 tall boy bombs
 p61 black widow
 barracuda
 swordfish, yeah it was kinda old and stuff but it still kicked the bismarcks bellybutton 
 fw 200
 light and heavy tanks
 nates bettys more russian, etc.... 
 a lot of these ideas are just for the heck of it to, in my opinion make the game more fun because unless I am mistaken that is a purpose of any game.