Why the need for German planes?

[King Jareth]

Originally Posted by H Lecter

And there it would be kind of ridiculous seeing RAF and USAF planes battling each other, that's why we got all the nice Luftwaffe toys.

I always hoped you'd be able to force one team to take Axis and one team to take allied planes online, its weird in team games trying to confirm who's ahead of you before you fire*.
"anyone in a hurricane mkII?"
"yes
"you got a spitfire behind you?
"no
-start firing-

*I know you have to do some friend or foe recognition but at least real WWII pilots didn't have to worry about what nationality planes their wingmen were flying that day.