To Get Bonus fighters:
Finish each mission to enable use of the corresponding aircraft.
Fighter	                Mission	
Blue Impulse T-4	Blue Impulse Mission 10 	
T-2			Blue Impulse Mission 15 	
F-86F			Blue Impulse Mission 20 	
F-4EJ			Sky Mission Attack 1 	
F-1			Sky Mission Attack 2	
F-15DJ		Sky Mission Attack 3 	
Gray F-4EJ 		Sky Mission Attack 4 	
F-2 (F-16)		Sky Mission Attack 5