U.S. Army Enlisted Rank Structure
[No Insignia] Private / PVT / E1
Private / PV2 / E2
Private First Class / PFC / E3
Specialist / SPC / E4
Corporal / CPL / E4
Sergeant / SGT / E5
Staff Sergeant / SSG / E6
Sergeant First Class / SFC / E7
Master Sergeant / MSG / E8
First Sergeant / 1SG / E8
Sergeant Major / SGM / E9
Command Sergeant Major / CSM / E9
Sergeant Major of the Army / SMA / E9