Then that brings up the problems of not being able to use equipment because a specific race is with you (IPC's), You have to wait for them to catch up to the group when charging in (Diona) or have some silly shit happen to them (Vox). Not to mention the Drask will need a nuke op and elite op hardsuit, and the Elite Op will need icons for all the races now (I do not know if they already do).
From my understanding the elite hardsuit sprites just use the default for all the other races.
If you're referring to the ion rifle, nukies already have to be extremely careful, if they misfire it into each other they have a chance of setting off their internal implant, or if they order a syndiborg/ mech.
Diona isn't a terrible issue, and could probably be worked around. They are extremely strong and, given a ranged weapon, would do just fine.
You might need to elaborate a bit more with Vox (skrek).
I thought Drask already had sprites for the nukie hardsuits, but I could be wrong. Either way, it could be made if there's a spriter willing to do so.