The Daleks were typically organised into task-forces, (TV: Genesis of the Daleks, Resurrection of the Daleks, Attack of the Cybermen, Remembrance of the Daleks) led by Taskforce Commanders. (AUDIO: Pretty Lies)
History
A Dalek Taskforce Commander, serving under the Dalek Time Strategist, led the Dalek attack on Fergil in the Last Great Time War. (AUDIO: Pretty Lies)
Behind the scenes
The term is rendered as "Dalek task-force" in the novelisations The Mutation of Time, Doctor Who and the Genesis of the Daleks and Remembrance of the Daleks, while "Dalek Task Force" is used in Attack of the Cybermen.