Thrawn's 501st was an elite unit charged with the defense of the Hand of the Empire (also called as the Empire of the Hand in some novels), however it was no longer completely composed of Jango Fett clones.
Thrawn's 501st was an elite unit. This elite unit was charged with the defense of the Hand of the Empire (also called as the Empire of the Hand in some novels). It was no longer completely composed of Jango Fett clones.