The Red Fleet was a Dalek fleet during the Last Great Time War.
The fleet's commander had a rivalry with the Dalek Time Strategist, coveting its position as an aide to the Dalek Emperor, which culminated in it initating a gambit to lure the secret Thal ship Temmosus to Dalek space. The Strategist discovered the Commander's secret dealings with the Thals and used them to brand it a traitor before the Emperor. (AUDIO: Temmosus)