You can swap weapons with allies in all games since Halo 2. I will sometimes give better weapons to my marines, hoping that they'll be more useful. For example, I'll take away their assault rifles in ...
What are the classified codes for Halo Waypoint, what does each unlock, and where can the codes be obtained?
I have just purchased Halo 3 and I would like to know the story up to it so that I can play the campaign and understand what is going on.