Smart Turrets

will attack air units, although inaccurately. Oddly, the anti-air turrets decimate groups of infantry, even more so than to bombers and snow speeders. As far as I know, this mod should also work with FOC, but Consortium turrets will be unaffected.
Smart Turrets is a simple mod that allows your turrets to fire at all enemies. For example, anti-air turrets will now attack infantry without you manually ordering them to, and anti infantry turrets