As observed by Landinalakallinian, Dalek Lieutenants commanded Dalek companies, with two equal-sized companies forming a battalion commanded by a Dalek Captain. Dalek Lieutenants and Captains did not seem to be distinguishable from exterior appearance, with the Gallifreyan professor suggesting that they relied on forms of radio identification signals to identify each other instead of more obvious rank markings. (PROSE: The Dalek Problem)
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The Dalek Survival Guide indicated that, in the Thal-Dalek battle which occurred in a version of history "B" relative to the First Doctor's version of history "A", a red Dalek Lieutenant oversaw blue Skaro City Daleks and was itself subordinate to a black Dalek Leader. (PROSE: Dalek Survival Guide)