Most of it is parts and labor for required maintenance.
Think of oil changes or replacing the brake pads on your car, and if you divided the price of those things by the number of miles between when you need them.
Then consider that for a fighter jet, it includes much more comprehensive and complicated maintenance with specialized parts and requiring expert knowledge, and that the aircraft have to be combat ready at all times, so the maintenance cycles are shorter.
It adds up pretty quick.
Latest Answers