Instructions
Play though the campaign mode on normal difficulty, successfully completing mission 4 to unlock the A-10 Thunderbolt, a close air support aircraft commonly called the "Warthog"; and the Mirage 2000, a ground attack aircraft.
Complete mission 5 successfully on normal difficulty to unlock the Panavia Tornado, an interceptor aircraft.
Complete mission 6 successfully on normal difficulty to unlock the F-14D Tomcat, one of the U.S. Military's stable fighter planes; the F-2A, a Japanese fighter plane; and the FA-18 Super Hornet, a multirole U.S. fighter plane.
Complete mission 8 successfully on normal difficulty to unlock the Sukhoi 33 Flanker, a Russian fighter aircraft.
Complete mission 9 successfully on normal difficulty to unlock the F-15E Strike Eagle, a multirole U.S. tactical fighter plane; and the Rafale M, a multirole French fighter plane.
Complete mission 10 successfully on normal difficulty to unlock the F-117 Nighthawk, a ground attack aircraft commonly called the "Stealth Fighter" due to its unique ability to avoid radar detection.
Complete mission 12 successfully on normal difficulty to unlock the EU Typhoon, a multinational and multirole fighter plane.
Complete mission 13 successfully on normal difficulty to unlock the F22A Raptor, a highly maneuverable U.S. fighter plane; and the Sukhoi 47 Berkut, a Russion experimental fighter aircraft.
Play through and complete the campaign mode on hard difficulty to unlock the remaining plane, the CFA 44 Nosferatu Fighter, a prototype fighter plane with cutting-edge technology. Note that you must buy this plane from the hangar after you unlock it for a price of $229,500.