Welcome to Librarium Online!
I had a weird thought today about IoN and command models.
In the case of new units that you have created, would IoN "resurrect" command models for the new unit?
The Camden Brigade
Do good things, good things happen. Do bad things, and kharma hits you with a car.
20 Bucks. Eat it; Ride it; Hump it. I don't care. - Earl J. Hickey
Absolutely not, since;
a) You can only create new units of zombies
b) Command options are very clearly 'bought' in your army list
c) Even raised zombies are only mildly useful, so why would you ever bother with a command group to begin with?!