Doctor was a modified T-series tactical droid commissioned by Magistrate Passel Argente to serve the Confederacy of Independent Systems during the Clone Wars. A derisive and condescending unit, Doctor worked from a base on Moorja, where he devised Project Instinction—a Confederate initiative to render the agriworld of Ukio useless to the Galactic Republic. Gathering the photosensitive electro-magnetic Moorjan soil, Doctor planned to have the substance dispersed across Ukio's renowned planetary shield, causing a perpetual blackout and preventing the growth of crops. The droid predicted that the Ukians would drop their shield to disperse the cloud, which would allow him to land units on the planet's surface. Then, devices would be installed that would broadcast signals to living beings on th