Dalek numbers had been greatly reduced by the war with the Movellans. In response, the Daleks, led by the Supreme Dalek at that time, hired human or Humanoid mercenaries. The Dalek Troopers bolstered their ranks with mind-controlled duplicates such as Stien. (TV: Resurrection of the Daleks) The Dalek troopers, at least those in command, retained noticeably more free will and autonomy than either the earlier Robomen (TV: The Dalek Invasion of Earth) or the subsequent Dalek puppets. (TV: Asylum of the Daleks)