Sergeant Rank! August 11, 2010 Gunny G Leave a comment History:The Gunnery Sergeant Rank USMCby R.W. “Dick” Gaines, GySgt USMC Ret.1952-72 All Rights Reserved-Copyright 1998 The rank of the venerable Gunnery Sergeant is now unique to the Marine Corps. In 1775 the basic enlisted ranks of private, corporal and sergeant were used