Imperial Earth Spydrone

An Imperial Earth Spydrone once captured an aerial photograph of a Dalek invasion fleet. A three-legged Spider Dalek was visible alongside the numerous Grey Daleks. This reportedly puzzled military analysts, as Spider Daleks had never been observed to be deployed alongside normal Dalek forces up until that point. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)