It's one of the worst air defense system I had ever seen (bring me my minigun) : ) but however I like the game and his tower defense mechanic
Viewing post in World War Birds jam comments
To be short : The idea of most of the Anti-air systems based on bullets IRL is big fat and inacurrate guns who spitt thousands of bullets per minute, to had the chance of touching things that are way too far and way too fast for anything else.
Thats pretty funny to notice the link there is between your game and mine, Air-ground Vs Ground-Air :)