Non-Commissioned Ranks

Non-Commissioned Ranks, just as commissioned officer ranks, have both formal names and informal names. Formal names should be used when the occasion calls for it, the informal name should be used most of the time though.

The informal names appear in italics.

• Starfleet Non-Commissioned Ranks (in descending order of seniority)
  • Master Chief Petty Officer (MCPO) Referred to as Master Chief
  • Senior Chief Petty Officer (SCPO) Referred to as Senior Chief
  • Chief Petty Officer (CPO) Referred to as Chief
  • Petty Officer First Class (PO1) Referred to as Petty Officer
  • Petty Officer Second Class (PO2) Referred to as Petty Officer
  • Petty Officer Third Class (PO3) Referred to as Petty Officer
  • Crewman (CN) Referred to as Crewman
  • Crewman Apprentice (CA) Referred to as Crewman
  • Crewman Recruit (CR) Referred to as Crewman

• Starfleet Marine Non-Commissioned Ranks (in descending order of seniority)
  • Sergeant Major (SGTMAJ) Referred to as Sergeant Major
  • Master Sergeant (MSGT) Referred to as Sergeant
  • Gunnery Sergeant (GYSGT) Referred to as Sergeant
  • Staff Sergeant (SSGT) Referred to as Sergeant
  • Sergeant (SGT) Referred to as Sergeant
  • Corporal (CPR) Referred to as Corporal
  • Lance Corporal (LC) Referred to as Corporal
  • Private First Class (PFC) Referred to as Private
  • Private (PVT) Referred to as Private