Reach the indicated level to unlock the correspondinng weapons pack.

Weapon pack	How to unlock
Adaptive I Weapon Pack for F-4G Advanced Wild Weasel	Level 13
Air Domination I Weapon Pack for Mig-21 Fishbed	Level 11
Anti-Air Support Weapon Pack for EA-6B Prowler	Level 13
Anti-Air Support Weapon Pack for FA-18 RC	Level 12
Anti-Ground Superiority Weapon Pack for F-4G Advanced Wild Weasel	Level 12
Close Air Support I Weapon Pack for Mig-21 Fishbed	Level 10
Close Air Support Weapon Pack for EF-111A Raven	Level 13
Ground Assault I Weapon Pack for AV-8B Harrier	Level 13
Ground Assault II Weapon Pack for Su-25 Frogfoot	Level 11
Ground Suppression Weapon Pack for EF-111A Raven	Level 12
Level Bombing Weapon Pack for FA-18 RC	Level 13
Light Assault Weapon Pack for A-7B Corsair II	Level 10
Light Assault Weapon Pack for Su-25 Frogfoot	Level 10
Long Range Interception I Weapon Pack for Mig-25 Foxbat	Level 10
Multi-Role II Weapon Pack for Mig-25 Foxbat	Level 11
Multi-Role OO Weapon Pack for AV-8B Harrier	Level 12
Support Weapons Pack for EF-111A Raven	Level 4