Dalek invasion fleet

A Dalek reconnaissance scout, suggested by the Thirteenth Doctor to be the first to leave Skaro, landed on Earth in the 9th century and resurfaced in 2019, where it attempted to use human communications technology to summon the Dalek invasion fleet for an invasion of Earth; the Doctor prevented it from doing so. (TV: Resolution)

An Imperial Earth Spydrone once captured an image of a Dalek invasion fleet, being especially noteworthy for being the first time that Earth forces had observed a Spider Dalek operating alongside the standard Grey Daleks. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)