Petty Officer Third Class

Petty Officer Third Class (E-4) is a Starfleet grade senior to a Crewman but subordinate to Petty Officer Second Class. Petty Officer Third Class is also the lowest grade at which a person is given a rating, to which they are referred to thereafter. For example, if an individual is rated Petty Officer Third Class and has a rating of Boatswain's Mate, then they are addressed as "Boatswain's Mate Third Class".
Category:Starfleet Ranks