No, six countries with country-specific plane sets.
Axis vs. Allies
Japan
Germany
Italy
vs.
United States
Great Britain
Russia
Lets lose the whole chess game metaphor altogether.
Lets have allied planes fighting axis planes.
Lets make it more real.
P-51's versus P-51's is kind of lame IMHO.
In short, lets have something that is organized a little less like
a mindless game of checkers and more like a war game.