The individual in charge of the Imperial Military Department of Advanced Weapons Research and Project Stardust was Commander Orson Callan Krennic, who possessed the rank of Director of Advanced Weapons Research. As a member of the Joint Chiefs of the Imperial Military during the Imperial Era, Director Krennic supervised the building of the DS-1 Death Star Mobile Battle Station. Colonel Brierly Ronan, serving as Assistant Director, aided Director Krennic in his duties.