Whats up with the mix-matched armor sets in Halo 4? One is olive drab metallic armor with a face mask, another is mostly white and appears to be made out of more fabric like material and the other one is the same thing as the white except for the fact that it is black? (ODST's Maybe)
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But a bigger question, why do officers always get hats? "Hey guys, we need to design an armour set for the higher ranking people on the field, should we give them more protection?" "Don't be stupid Phil, we should make their head completely vulnerable! Ooh I know! lets also give them headgear that actually designates they're an officer so that enemy snipers can see!" You'd think with them all having visors, they could differentiate between who is who without needing to sacrifice protection.