This is an absolutely kickass mod. I'm a massive star wars fan and this is easily my favorite mod so far.
That said, though, I have a suggestion: add a structure or something that produces B1 and B2 battle droids that act like marines. B1s would be around half the cost of a marine (maybe less?) but would be half as effective, but the main draw would be that they don't take paychecks like marines do. B2s would be twice as effective as a marine, but would be twice the cost of one. Again, no paychecks.
Good ***, dude
Thanks for your support, and I'm glad you are enjoying my mod so much!

Unfortunately, following the Star Wars theme is something I don't want to do, and in several occasions I've made it clear that I'm trying to stay as far fromt he Star Wars universe as possible, with the only similarity being the shape of the ships. This is a slow transition, and the fact that many things in the mod are still "Star Wars" may cause some confusion to some...
There will be "Maintenence Bots" in the mod, which are currently still using the R2 droid sprite. They will be changed to a generic robot sprite at some point, just as the ships will be getting new sprites eventually, but due to my lack of drawing skills and time to practise this is something that will take some time and may push me further into looking for commissioned work...
That being said, I appreciate your suggestion, but that's something that I won't add to the game. Like I said, I'm trying to stay away from Star Wars, and adding alternatives to the marines is something that does not seem useful or necessary, it will only add complexity to something simple... Just think on how the game had several crew levels in the past and now there's only a single type of crew, I think the marines should remain as simple as possible as well.