Editing Master chief petty officer

{{Era|H1|H2|H3|FOR|TF|FS|GOO|UP|HGN}}
{{Ratings}}
{{Rank Infobox
|name=Master Chief Petty Officer
|image=[[Image:MCPO.jpg|75px]]<ref>This is the insignia for a [[UNSC]] Master Chief Petty Officer. However, in Halo 3, the insignia for Master Chief Petty Officer of the Navy is shown to be the same as the insignia from the US (with the standard "crow" changed for that of the UNSC "crow"). It is inferred that this applies to all UNSC Navy enlisted rank insignias.
</ref>
|affiliation=[[UNSC Navy]]
|higher rank=[[Command Master Chief Petty Officer]]
|lower rank=[[Senior Chief Petty Officer]]
|known=[[John-117]]
}}
'''Master Chief Petty Officer''' is the ninth enlisted rank of the [[UNSC Navy]], and is a [[non-commissioned officer]]. It is equal in rank to [[Master Gunnery Sergeant (rank)|Master Gunnery Sergeant]] and [[Sergeant Major]] in the [[UNSC Marine Corps]]. Master Chief Petty Officer ranks just above Senior Chief Petty Officer.

In informal settings, Master Chief Petty Officers are typically called "Master Chief" or "Chief."

== Sources ==
<references/>

{{Clear}}
{{UNSC Enlisted Ranks}}
[[Category:UNSC Enlisted Ranks]]
[[Category:Ranks]]