You should create a forum for this game so we dont have 2 add suggestions in this coments. It would be nice since you could write the changelog there.
All who like this idea please + it so it gets to the top
I think that late planes should fire 2 rockets instead of one, since they are more advanced then early planes and they are much faster. U can easily dodge a rocket by just moving left and right since your plane is almost as fast as the rocket.