The idea of an AAA system requires that there be aircraft so here is a post where you can put your ideas.
My own ideas.
Vulture: Bomber
HP: 100
Armor: None
Speed: Very Fast
FP: 2 deploying bays: 8 MK.IV heavy starflare bombs
Common Ore: You choose
Rare Ore: You choose
Bithium Ore: Unsure if it will be implemented: 0
Sparrow: Fighter / Bomber
HP: 80
Armor: None
Speed: Super Fast
FP: 2 heavy MK. III microwave-laser hybrids
SFP: 1 deploying bay: 2 MK II light starflare bombs
Common Ore: You choose
Rare Ore: You choose
Bithium Ore: Unsure if it will be implemented: 0
Pheonix: Heavy Fighter
HP: 100
Armor: None
Speed: Ultra fast
FP: 2 direct fire weapons
Common Ore: You choose
Rare Ore: You choose
Bithium Ore: Unsure if it will be implemented: 0
Wasp: Heavy copter
HP: 120
Armor: Renforced Light
Speed: Medium
FP: 2 Weapons (Advise direct fire incase of hostile air units)
Common Ore: You choose
Rare Ore: You choose
Bithium Ore: Unsure if it will be implemented: 0