Cheats:
Press any of the following key combinations to activate the corresponding cheat function.
Invincibility
Ctrl + Alt + Shift + Home
Refuel and reload
Ctrl + Alt + Shift + Insert
Hints:
When you find yourself in need for more weapons, take your plane and land it on any allied base. As soon as you are sure that you have come to a complete stop you can continue your mission and your weapons should be reloaded.