Keeping them in reserve and not using them in every engagement.
Plus planes are fairly easy to get. Pilots are a whole other beast. No pilots, and it doesn’t matter how many planes you have. This is essentially the same problem Germany and Japan ran into during WW2. They had a bunch of shiny new planes throughout the war but simply no one trained enough to fly them.
Keeping them in reserve and not using them in every engagement.
Plus planes are fairly easy to get. Pilots are a whole other beast. No pilots, and it doesn’t matter how many planes you have. This is essentially the same problem Germany and Japan ran into during WW2. They had a bunch of shiny new planes throughout the war but simply no one trained enough to fly them.