Petty Officer, Third Class

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Petty Officer, Third Class, abbreviated to PO3, is an enlisted rank in the United Nations Space Command Naval Command (NAVCOM) rank structure; including the UNSC Navy and Office of Naval Intelligence. It is preceded by Crewman, and subordinate to a Petty Officer Second Class.[1]



Work party lead.[1]


  1. ^ a b Halo: Official Spartan Field Manual - PART 8: UNSC ORGANISATION, NAVCOM Ranks, page 140-141