Scout Dalek

Scout Daleks were a variant of Daleks. The Daleks also fielded designated scout craft, (PROSE: Dalek Combat Training Manual, The Scarlet Empress, All Flesh is Grass)

History
Dalek Scout 159 was part of the invasion force on Venus but was destroyed by Andy Stone. (COMIC: Invasion of the Daleks)

Scout Daleks were used by the Imperial Daleks during the Shoreditch Incident, part of their civil war against the Renegade Daleks. They were described as more powerful and streamlined than standard Daleks. (PROSE: Remembrance of the Daleks)