playing as covanant in halo 3?

i really dont wanna play was the covanant in halo 3, i really only wanna play as master cheif, do you guys think were gonna have to?, do you want to?

Im with you.

I want to play as the original main character. idk we'll see

If your playing the Campaign alone, you will only play as the MC. SPARTAN-034

he is correct

the arbiter will fight with you...but you can only control him in co-op