Julia Mitchell

Julia Mitchell was a female Human who was a United Earth Starfleet officer who was posted to the Challenger during the 22nd century.

First officer
In 2155, Lieutenant Commander Mitchell transferred to the NX-03 Challenger it was a heart break to Captain Archer but Captain Archer understood she wanted to try a new NX-class vessel. Julia was promoted to the rank of Commander and given the position of first officer by Captain Dunsel and the two became good friends it wasn't until the Battle of Andoria, that Commander Mitchell lost of 27 crewmen, 15 MACOs and the Captain was killed when the Challenger was boarded by a Romulan strike team that was fought off.

Captain
In the same year while the Challenger was sitting in drydock Commander Mitchell received the battle field promotion to Captain.