He was also a fearless soldier who led the elite Coruscant Guard shock troopers into combat, and was always the first to charge into battle.
CC-1010, nicknamed "Fox," was a human male clone of the bounty hunter Jango Fett, the genetic template of the Grand Army of the Republic.
During the Clone Wars, he served as the clone commander of the Coruscant Guard, an elite clone trooper division that served as a peacekeeping force on the galactic capital planet of Coruscant.
Fox deployed two full companies alongside a contingent of Coruscant Security Force.
Before entering the Temple to capture Nu, Vader left Fox and his shock troopers with orders to keep the Temple under lockdown.
As a result, the droids completed their mission by destroying power grid, causing a city-wide blackout on Coruscant.