I've got it.
Specify only 2 fields per side and their HQ.
These fields (and the HQ) would have to have a special building for fuel. Just put a generic warehouse next to the field's fuel. No biggie.
Now set up a sortie/plane ratio. For every 163 mission, you must fly x number of missions (I would set it to two) in any other plane.
In SWOTL, I loved this bird. Cool thing about it is, you get so high, then you're engine shuts off. The rest of the flight is a challenge in keeping your speed (not easy to do with that lil' prop

).
In AH, it very well could be the only defense against 30+K buffs.
Now only one more problem. How the hell do you set up a firing pass going 600+ MPH???

Happy flying, rocket jockeys!
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-Rebel
JG2 "Richtofen"
"You Rebel Scum"