<P> Tried and convicted of treason for aiding the Maquis Rebellion, Paris was sentenced to serve time in the Federation penal settlement near Auckland, New Zealand . Kathryn Janeway, captain of the starship USS Voyager, obtained Paris' temporary release from the penal colony . Janeway, charged with finding and capturing the Maquis ship commanded by Chakotay, offered Paris early parole in exchange for serving as her informant on Chakotay and the Maquis . </P> <P> Janeway and the crew of Voyager, while searching for the Maquis ship, were thrown into the Delta Quadrant by a massive energy wave created by an alien known as the Caretaker . Once there, they successfully located the Maquis ship docked at the Caretaker's array . The survivors of the incident became stranded about 70,000 light - years away from Earth . The Maquis ship was destroyed and its crew joined the Federation crew on Voyager . </P> <P> The marooning of Voyager in the Delta Quadrant provided Paris with a new beginning . Janeway gave Paris a field commission as a Starfleet lieutenant and made him chief helmsman of Voyager . He had a rough start, however, as Starfleet and Maquis alike viewed Paris with suspicion . Paris worked hard to earn his crewmates' respect . During this time, he became best friends with Ensign Harry Kim, a young officer on his first mission who defied his crewmates to befriend Paris . Eventually, Paris was accepted by the crew and became one of Janeway's valued officers . </P> <P> Paris' duties were not limited to piloting Voyager . On Janeway's orders, he trained as a field medic and assisted The Doctor until the Doctor recruited Kes as his primary assistant . Following Kes's departure ("The Gift") Paris once again served regular duty shifts in sickbay . </P>

When does tom paris become a lieutenant again
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