Type:
Non-commissioned officer rank
Duties:
- Special, rarely used Starfleet Rank
- Specialists in specific fields
- Has authority above enlisted crew, but usually below commissioned officers
- Often supervises maintenance crews or serves as senior advisors
Miscellaneous:
- Did not have rank insignia
- Sometimes divided into separate grades
Grades:
- Warrant officer-in-training
- Warrant Officer
- Chief Warrant Officer
- Master Warrant Officer
- Senior Warrant Officer