Editing Master gunnery sergeant (section)

{{Short description|US Marine Corps enlisted grade}}{{More citations needed|date=November 2024}}{{Infobox military rank
| name           = Master Gunnery Sergeant
| image          = USMC-E9-MGyS.svg
| image_size     = 80
| alt            =
| caption        = Master Gunnery Sergeant insignia
| image2         = 
| image_size2    = 
| alt2           =
| caption2       = 
| image3         = 
| image_size3    = 
| alt3           =
| caption3       = 
| country        = {{flagu|United States}}
| service branch = {{Marines|United States}}
| abbreviation   = MGySgt
| rank insignia  =
| rank           = 
| NATO rank      = OR-9
| pay grade      = [[Uniformed services pay grades of the United States|E-9]]
| formation      = 1958
| abolished      = 
| rank group     =
| higher rank    = 
| lower rank     = [[Master Sergeant#Master Sergeant|Master sergeant]]
| equivalents    = [[Sergeant major#United States|Sergeant major]]
| history        = 
}}
'''Master gunnery sergeant''' ('''MGySgt''') is the 9th and highest [[enlisted grade]] in the [[United States Marine Corps]]. Master gunnery sergeants are [[Non-commissioned officer#United States|senior staff non-commissioned officers]] (SNCOs){{Citation needed|date=November 2024}} with the [[U.S. military pay grades|pay grade]] of E-9,<ref name=":0">{{Cite web |title=U.S. Military Rank Insignia |url=https://www.defense.gov/Resources/Insignia/ |access-date=2024-11-26 |website=U.S. Department of Defense |language=en-US}}</ref> equivalent to [[Sergeant Major#United States Marine Corps|sergeants major]] and the [[Sergeant Major of the Marine Corps]].<ref name=":0" /> As E-9s, they tend to serve for about 15 to 30 years, and advise commanders on subjects relating to the enlisted.<ref name=":0" />