Army Enlisted Rank Structure

Paygrade	Title	Insignia
Paygrade	Title	worn on both arms
E-1	Private	None
E-2	Private
E-3	Private First Class
E-4	Specialist when required, ranks under Corporal
E-4	Corporal
E-5	Sergeant
E-6	Staff Sergeant
E-7	Sergeant First Class
E-8	Master Sergeant
E-8	First Sergeant
E-9	Sergeant Major
	Command Sergeant Major
	Sergeant Major of the Army unique post