Dalek Imperial Army

Red Drones overlooking bronze Daleks. (TV: Asylum of the Daleks)

In light of the repeated failures of the New Dalek Paradigm, the Prime Minister of the Daleks had the Red Drones of the Dalek Imperial Army replaced by the bronze Daleks associated with the Last Great Time War so as to provoke the most fear across the universe. The larger Red Drones became an officer class, albeit one kept safely away from the front line. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)