The Noonian sector was a sector in the galaxy. Sometime prior to the Battle of Yavin, Lando Calrissian and L3-37 met with an Er'Kit arms dealer and acquired a shipment of All Terrain Defense Turret walkers. Eventually, Calrissian and L3-37 were ambushed in the Halthor sector when an Imperial interdictor dropped out from hyperspace. As a result of the ambush, Calrissian lost a majority of his shipment of walkers that he acquired from the arms dealer.
After the Battle for Tatooine, Saponza's Gang came in possession of Calrissian's holorecordings, including , and received chatter from the criminal underworld of older walkers with heavy firepower being utilized. Saponza deduced that someone must have found Calrissian's shipment, and that people would be hunting for the rest of the cargo. Saponza and his partner embarked on a .