Clone Wars - Captain Rex with Firing Missile Launcher. Captain Rex accompanies Anakin Skywalker to the planet Teth to rescue Jabba's kidnapped son. Like all clone troopers, Captain Rex believes that the mission always comes first. When he and his fellow troopers are surrounded by battle droids, outnumbered and outgunned, he never wavers in his commitment to the mission, even if it means this battle could be his last.