Petty Officer Second Class
|Petty Officer Second Class|
|Higher Rank:||Petty Officer First Class|
|Lower Rank:||Petty Officer Third Class|
|Known Petty Officer Second Class||Known Petty Officer Second Class|
|[ Source ]|
Petty Officer Second Class (Abbreviated to PO2) is a non-commissioned officer rank in Starfleet. Second Class Petty Officers have been promoted within their occupational specialty from Petty Officer Third Class. They may be addressed by their occupational title, such as "Hosptial Corpsman Second Class" or "Transporter Operator Second Class" as well as by the more generic Petty Officer Second Class. PO2s take a fleet-wide competitive exam to be promoted to Petty Officer First Class.