The Strada Brac was created in ancient times by the Vardians - the most aggressive and dangerous race in the Migar system. Realizing the potential danger such a weapon could cause, the Migar council (presumably comprised of Cirronians and other Migar species) decided to steal the device before the Vardians could use it. They seemingly succeeded and placed the device inside a drone-ship, before sending it to the edge of the galaxy - where the Strada Brac exploded harmlessly...or so they thought.