User blog comment:Urbancommando77/Noble Six vs Courier Six/@comment-4098900-20111206001757/@comment-143604-20111206004323

No- Six wears Mark IV, Chief wears Mark V and VI. Technically, Six shouldn't even have shields. It's not nearly as protective as the later armor, hence- part of the reason so many Spartans died in early conflicts. It wasn't the only reason, of course, but it was a factor.