During the Last Great Time War, the Daleks' Red Fleet was led by a Commander who coveted the Dalek Time Strategist's position as second-in-command to the Emperor.
Seeking the Emperor's attention, the Red Fleet Commander attempted to lure the secret Thal vessel Temmosus to Dalek space. The Strategist discovered the scheme and brought the Commander before the Emperor, branding it a traitor for secretly talking to Thals. Incensed, the Emperor had the Commander destroyed and praised the Strategist for exposing it. (AUDIO: Temmosus)