First day of summer leave... Time for some blogging!
Back when I first started playing with toy soldiers, sci fi armies where pretty much all (at least for the games I was aware of) following the "one army, one species" paradigm...
It's when GW released their Tau and their various alien auxiliaries back in the early 2000 (Tau have been around for 15 years? I'm not getting any younger, am I? I guess most GW players those days don't even remember 40K without Tau...) that I first became aware of that paradigm (nature of the beast: you usually see it only when breaking it).
But the logical consequences of that realization quickly followed... Why not, while we're at it, also get rid of "one unit, one species" and have a truly multi-species army with all echelons down to squads and teams made of several different aliens?