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RC-2088, or Zag, was a clone commandosergeant and was leader of Theta Squadron. Soon after, he was reassigned to another squad, Aiwha Squad, after his squad mates were killed during the Clone Wars. He went on a mission with his new squad to the planet of Garqui. The squad located a small refuge named Evan and saved him from an OG-9 homing spider droid. After killing the droid, the squad set up camp for the night and introcuded themselves to the boy. When it was morning, the commandos and the boy arrived at the refuge camp they were assigned to bring civilians to. While there, the commandos were given the order 66, to kill all Jedi in sight, and in turn, killed Jedi Master Traavis.