Lt. Jal Kahn (joined Trill)

Lt. Jal Kahn (Kahn Symbiont) is the head Flight Control Officer of the USS Twilight NCC - 74413. Jal is the fourth host of Kahn. The last host was a scientist named Lenora who was married to Dax in a previous incarnation. Jadzia Dax refused to continue the relationship, due to Taboos with the Trill culture that would've left both symbionts dead with their current hosts. After Jadzia died, Lenara was distraught, and committed suicide. The Kahn symbiont was then given to Jal, a Starfleet cadet who knew Dr. Jaryd Harker when he practiced private medicine in San Francisco. It was Jal who, then attending Starfleet Academy, convinced Jaryd that his skills would be of great benefit to Starfleet, and he would get to explore the galaxy. Harker, a 227-year-old El Aurian, agreed. 12 years later, when Harker became captain of USS Twilight, a Nova Class science vessel, he requested Lt. Kahn to join him as his Flight Control Officer. Kahn is now just 3 months away from promotion to Lt. Commander.

The current joining of the Kahn symbiont has given Jal ambidexterity and almost super-human reflexes, which aid in her duties as Flight Control Officer. Her memories from previous hosts have aided greatly in scientific endeavors as well. Jal's first assignment was as part of a medical rescue mission, where she picked up some medical skills, useful on Twilight, which was refit to be a medical research ship. Kahn's secondary duty assignment aboard is in Sickbay as a medic and technician. (Fully 20% of the Starfleet crew are cross-trained to some degree in medicine or engineering.)