xoAxelox posted...pretty sure mark vi isnt generation 1.
Yes it is.
Only Spartan IVs have the augmentations required to wear GEN2 armor. So any Spartan who isn't a Spartan IV (like Chief) is wearing GEN1 armor.
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Underwater Spartans:
http://www.youtube.com/watch?v=Djp5dtz02eQ&feature=plcp