I did not know that pre-gold version has a land element (airbase) inside an air unit (the same we have in TEAW)...!
Khanti wrote: I know that some air units come via events, but none can be recruited right now.
Is it WAD?
As I remember in RUS GOLD we can recruit air units. I can not check it now because at the moment they are out of limit of units pool in my GC.