Battle of Christophsis
Captian Rex participated in the battle of Christophsis. In the norh tower General Skywalker and Rex and their troops were preparing to ambush the aproaching droid army. General Kenobi and Commander Cody were at the south tower. There Rex witnessed the battle droids are splitting up, not according to plan. Seeing blaster fire in the south tower the group quikly launched cables and swung in to the battle filled tower. Rex, Kenobi, Skywalker, and he remaining clones crammed into an elevator and went up into the landing pad on top of the tower's roof.