Demotion

A Demotion is a punitive reduction in a person's rank. A member of the United Federation of Planets Starfleet can be reduced in rank for serious violation of laws or regulations.

Lieutenant Tina Campanelli was demoted to the rank of Lieutenant j.g. in - for disobeying the orders of ON Vorkon II which resulted in the death of eight people. Despite apologizing for her actions at her court-martial, she was sentenced to one month in the brig. (VAL episode: "Mistakes") At the end of, Campanelli was reinstated as a lieutenant after two years of redeeming herself aboard the Valiant. (VOY episode: "Unimatrix Zero")