I am not going to re list all the stuff that has already been pointed out by many great posters here.
Needless to say the Drengin need a slight buff to keep up with the other races production-wise. They seem to lag behind and need 'more cunning and trickery' to keep them on par with the OP Altarians and Humans.
How can I place a rally point on the map? My options are only Planets, Starports and Star bases. None of these will work. I want to 'right click' on the map and create a rally point but i am not able to do it, is this intended?