Their mains feature is mainly being the first titan with ranged attacks, since they can drop bomb on building they fly over. Once they have launched their bomb, they fly out of the screen and come back with a new one.
Laser have a natural edge on them since they can hit flying target over moutain range and because they have a pretty long range. Other turrets can help, but they are likely to not outrange the bombs. Capacitor is another useful option, since they can have a great range, and since you control them you can keep your ammunition for them, something laser can't do.