Firebase Alpha was an illegal energy-mining station operated by the Rebel Alliance. It was on an asteroid located 1.5 terameters from a black hole inside the Rishi Maze. Sometime before the Battle of Yavin, the station was in desperate need of supplies. The smuggler Han Solo and his co-pilot Chewbacca were contracted to bring those supplies to the base. The two successfully navigated past an Imperial blockade and through the Rishi Maze in their starship, the Millennium Falcon. The route they were given took them past a long-dead Sith warship, which sent attack drones after them. After disabling the Sith vessel, Solo contacted Firebase Alpha for landing clearance. As he approached, Chewbacca detected an energy signature in the cargo hold. Solo investigated and discovered that it was an Impe