[Imp]

I think you may be overcomplicating things now & like the simplicity of Dons idea, in effect it will just tip over the guys that are nearly there. So with that in mind just add where it makes a diffrence rather than pushing up cost for no benefit possibly.

Also giving further thought & could be wrong here if anybodys air should be given special preference it is the Marines. I feel they use air in in direct support rather than against rear areas far more than any other nation so the boost could reflect they train for this more than most.