If you destroy the Ace planes (basically special enemies), you will unlock skins for your aircraft. It’s recommend that you play the game in Hard mode since some Aces won’t appear in other difficulty modes.
The video below will guide you how you can find them all. Also, if you unlock all of them, you will get the X-02S Strike Wyvern.
ALL ACES:
- MiG-21 Pyro
- MiG-29 Jester
- F-16C Bayonet
- F-15J Ronin
- F-15C Fang
- F-14D Kitten
- Typhoon Faucon
- F-15E Gazelle
- F/A-18F Spider
- Gripen E Louveteau
- Rafale M Chasseur
- Su-33 Ibis
- MIR-2000 Foudre
- A-10C Buffle
- Su-34 Walrus
- MiG-31 Comet
- Su-47 Gadfly
- F-2A Bogen
- Su-37 Serpent
- Su-35S Axeman
- F-35C Mantis
- YF-23 Lynx
- F-22A Tempest
- Su-57 Calamity
For more Ace Combat 7 guides, check out the following links:
Ace Combat 7 Guide – How To Unlock All Named Aircraft?
Ace Combat 7 Guide – How To Use Flares And Earn MRP, Money Quickly
