World Military Encyclopedia
> United States
> Army Rank Insignia, Shoulder Straps
> Army Rank Insignia
> Marine Corps Officer Rank
> US-MCOR-00017
Master Gunnery Sergeant E-9 USMC Marine Corps
Casual:
76th United States Army Reserve Operational Response Command
317th Infantry 80th Airborne division (obsolute)
VIRU, infantry battalion, obsolete Patch. Estonia