Departing from Coruscant, Anakin's forces eventually arrived at Bothawui and defeated Grievous, securing a Republic victory. Later, Rex and troops of the 501st were redeployed with Anakin Skywalker and Ahsoka Tano aboard their recently-christened fleet of Venator-class Star Destroyers to protect Bothawui from the Confederacy of Independent Systems General Grievous, who was intent on capturing the planet. Later Obi-Wan Kenobi arrives with the 212th Attack Battalion to back up the Torrent Company, and they won again. The few of Torrent Company survived, including Rex. However, they able to win in the first wave but second wave, they were forced to retreat. Shortly after Christophsis was reclaimed, Torrent Company was dispatched to Teth to recover Hutt crime lord Jabba the Hutt's son, Rotta, to access hyperlanes passing through Jabba's territory for the Galactic Republic. They managed to recaptured Christophsis for the Confederacy of Independent Systems, beating back Separatist General Whorm Loathsom's multiple assaults and securing a victory at Christophsis. The 501st command by Anakin Skywalker and Captain Rex. The 501st's earliest battle was the Battle of Christophsis.

Star wars 41st legion