Petty officer was an enlisted naval rank, a type of military rank used by the service organizations of different cultures. This title was senior to a crewman, and subordinate to a chief petty officer.
In comparison to infantry ranking systems, this rank was approximately equivalent to the grade of corporal. However, the petty officer 2nd class rank was equivalent to that of sergeant.
This was the lowest rank considered to have the responsibility of a "noncommissioned officer." Personnel of this grade were usually referred to by their job title. In Star Fleet, a petty officer could be also referred to as yeoman.
There were usually individual grades of petty officers, differentiated as first, second and third class. This appellation could be added to either their rank or title (for example, "petty officer first class," "specialist second class," or "yeoman third class").
|Star Fleet Positions|
|Crew Positions||Tactical Officer • Engineering Officer • Security Officer • Medical Officer • Science Officer|
|Officer Positions||Chief Tactical Officer • Chief Engineer • Chief of Security • Chief Medical Officer • Chief Science Officer • First Officer • Commanding Officer|
|Flag Positions||Group Commander • Division Commander • Commander in Chief|
|Academy Positions||Academy Instructor • Admissions Officer • Testing Officer • Evaluations Officer • Commandant (Academy) • Superintendent (Academy)|
|Other Positions||Game Moderator • Game Moderator Administrator • Inspector General • Creative Director • Content Manager • President|
|Trainees||Enlisted Personnel||Non-Commissioned Officers|
|Trainees||Commissioned Officers||Flag Officers|