Non-Commissioned Officer

A  non-commissioned officer, usually abbreviated as  NCO and occasionally called " noncom," is an  enlisted member of the UNSC Defense Force  who has been given leadership authority by Commissioned Officers.

UNSC Navy NCO Ranks ( From lowest to highest pay grades): UNSC MARINE Corps NCO Ranks ( From lowest to highest pay grades): UNSC ARMY NCO Ranks (From lowest to highest pay grade):
 * Petty Officer Third Class
 * Petty Officer Second Class
 * Petty Officer First Class
 * Chief Petty Officer
 * Senior Chief Petty Officer
 * Master Chief Petty Officer
 * Corporal
 * Sergeant
 * Staff Sergeant
 * Gunnery Sergeant
 * Master Sergeant /First Sergeant
 * Master Gunnery Sergeant /Sergeant Major
 * Sergeant Major of the Marine Corps
 * Corporal
 * Sergeant
 * Staff Sergeant
 * Sergeant First Class
 * Master Sergeant /First Sergeant
 * Sergeant Major
 * Command Sergeant Major
 * Sergeant Major of the Army