Unlockable: Medals
Play Campaign Mode or Free Mission Mode to unlock these medals. :

Destroy 200 enemy targets: Bronze Ace Medal
Destroy 500 enemy targets: Silver Ace Medal
Destroy 1000 enemy targets: Gold Ace Medal
Destroy 5 enemy planes with the machine gun: Bronze Shooter Medal
Get 'S' Ranks on every mission on Normal: Bronze Wing Medal
When aiding allies in Missions 16A or 16B don’t let more than 3 die: Desert Eagle Medal
Down 50 enemy planes with the machine gun: Gold Shooter Medal
Earn 'S' Ranks on all 32 missions on expert: Gold Wing Medal
Kill all 16 named planes in second play-through on Normal or harder: Grand Falcon Medal
Down 10 enemies who get a missile lock on your wingman: Guardian Medal
Protect all 8 armored tanks on ground: Lightning Hammer Medal
Get Perfect from AWACS in all 6 landings and 2 refueling stages: Needle's Eye Medal
Down 15 enemy planes with machine gun fire from your aircraft: Silver Shooter Medal
Earn 'S' Ranks on all 32 missions on Hard: Silver Wing Medal

Unlockable: Falkin
Unlock Falkin by destroying the hangers on mission 11a 11b 12a 12b 16a 16b and 27.

Unlockable: Music Player
After you beat the gameyou can listen to background music from the Campaign mode, and when you beat Arcade Mode, music from the levels of Arcade will be added to the Music Player.