Ranks
Marine Corps/ODST Ranks
Enlisted Ranks
E-1 Private- PVT E-2 Private First Class- PFC E-3 Lance Corporal- LCPL E-4 Corporal- CPL E-5 Sergeant- SGT E-6 Staff Sergeant- SSGT E-7 Gunnery Sergeant- GSGT E-8 Master Sergeant- MSGT E-8 First Sergeant- 1SGT E-9 Master Gunnery Sergeant- MGS E-9 Sergeant Major- SGTM |
Officer Ranks
O-1 Second Lieutenant- 2LT O-2 First Lieutenant- 1LT O-3 Captain- CAPT O-4 Major- MAJ O-5 Lieutenant Colonel O-6 Colonel- COL (Highest ODST Rank) O-7 Brigadier General- BGEN O-8 Major General- MGEN O-9 Lieutenant General- LTG O-10 General- GEN |
Spartan Ranks
Enlisted Ranks
E-1 Conscript/Trainee E-2 Petty Officer 3rd Class- PO3 E-3 Petty Officer 2nd Class- PO2 E-4 Petty Officer 1st Class- PO1 E-5 Chief Petty Officer- CPO E-6 Senior Chief Petty Officer- SCPO E-7 Master Chief Petty Officer- MCPO |
Officer Ranks
O-1 Ensign- ENS O-2 Lieutenant Junior Grade- LTJG O-3 Lieutenant- LT O-4 Lieutenant Commander- LCDR O-5 Commander- CDR |