Petty Officer

Petty Officer may refer to the following:

Halo Universe

UNSC

• A Petty Officer is a set of enlisted ranks in the UNSC Naval Command. Often these ranks are shortened to "Petty Officer" in conversation.
  • Petty Officer, Third Class
  • Petty Officer, Second Class
  • Petty Officer, First Class
  • Chief Petty Officer
  • Senior Chief Petty Officer
  • Master Chief Petty Officer

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