Leadership responsibilities for a petty officer third class include initiating discipline, planning jobs, making decisions and taking responsibility when things go wrong. Technical responsibilities depend on the petty officer's specialty.
A petty officer third class is a delegated position of naval authority and is responsible for providing leadership and technical expertise. Petty officers are in the disciplinary chain of command and are responsible for starting disciplinary action for a violation of Navy regulations. A petty office who witnesses inappropriate behavior of other Navy personnel is required to warn, reprimand or place the person on report, even if the offense occurs on personal time.