Enlisted Rates
E-1 | PV1 - Private
E-2 | PV2 - Private Second Class
E-3 | PFC - Private First Class
E-4 | CPL - Corporal
E-4 | SPC - Specialist
E-5 | SGT - Sergeant
E-6 | SSGT - Staff Sergeant
E-7 | SFC - Sergeant First Class
E-8 | MSGT - Master Sergeant
E-8 | FSGT - First Sergeant
E-9 | CSM - Command Master Sergeant
E-9 | SGTMaj - Sergeant Major
Senior Enlisted Advisor E-10 | SMA
Sergeant Major of the Army
Officer Ranks
O-1 | 2d LT - 2nd Lieutenant
O-2 | 1stLT - 1st Lieutenant
O-3 | CAPT - Captain
O-4 | MAJ - Major
O-5 | LtCol - Lieutenant Colonel
O-6 | COL - Colonel
O-7 | BGen - Brigadier General (One Star)
O-8 | MGen - Major General (Two Stars)
O-9 | LtGen - Lieutenant General (Three Stars)
O-10 | GEN - General (Four Stars)
Wartime O-11 | General of the Army (Five Stars)