How do you get each kind of armour in Halo 3?List the type then list how to get it.?

[jaredrox360]

I want to get all the armours, Covenent and Human for my Xbox LIve Halo 3 account.

 

[iBob]

you just have to unlock the achievments to unlock the armor, i have 100% of the achievements and there is a glitch with the last set of elite shoulders, u can't unlock them.