well i was playin halo and i decided it was time for an armor change. and well i went to the elite and i sudenly had commando! is there and expination? NOTE: i have been getting security head on and off and i only have 760 gs but i cant get security arms! ps i dont have x-box live but i plan on getting the wireless adapter this week. pss if your wondering how i have ODST head without live i know some one who knows some one at bungie that gave me an armor i wanted besides reacon and i picked ODST for my b-day