RC-2088

During the height of the Clone Warswas Sergeant Theta-288 was part of a clone trooper squad assigned o protect Lorca Oviedo to a conference on Aviles Prime. When Oviedo tried to fake an attack by Separatist forces, Theta-288 and his squad became expendable. Oviedo's plan from the start was to sell rigged weaponry to Wat Tambor and the CIS. Theta-288 and a few of his squadmates survived the crash-landing on the moon. They managed to reach Oviedo just as he was finalizing his plans with Tambor, and they took Oviedo prisoner. Theta-288 took Oviedo to Coruscant. Later, he reported the outcome of his mission to Jedi Master Yoda and Mace Windu.

Source

 * Star Wars Tales 22: Honor Bound