A non-commissioned officer , usually abbreviated as NCO, and occasionally called "noncom"; is an enlisted member of the UNSC Defence Forces who has been given leadership authority by commissioned officers.
UNSC Navy NCO Ranks (From lowest to highest pay grades):
- Petty Officer Third Class
- Petty Officer Second Class
- Petty Officer First Class
- Chief Petty Officer
- Senior Chief Petty Officer
- Master Chief Petty Officer
- Command Master Chief Petty Officer
- Master Chief Petty Officer of the Navy
UNSC Marine Corps NCO Ranks (From lowest to highest pay grades):
- Corporal
- Sergeant
- Staff Sergeant
- Gunnery Sergeant
- Master Sergeant/First Sergeant
- Master Gunnery Sergeant/Sergeant Major
- Sergeant Major of the Marine Corps
UNSC Army NCO Ranks (From lowest to highest pay grades):