This page represents a summary of the starship classes available to the Tau Navy, called the Kor’vattra in the Tau Lexicon. Even though the Tau are fairly new to space travel, they still present a powerful force to be reckoned with by the other starfaring species of the Milky Way Galaxy. Tau starships cannot use Warp-Drive technology since they as yet have very little knowledge about the Immaterium and have not developed psychic abilities. Instead, they use a more primitive form of that technology called Phased Warp-Drive that is a great deal slower and more unreliable than the superluminal technology used by the Imperium of Man's starships. This is because the Phased Warp-Drive does not allow a starship to remain continually in Warpspace while travelling to its destination but instead onl