The Tau Empire (Legends of the Dark Millennium)

The alien tau believe it is their manifest destiny to rule the stars. Their emergent empire has expanded rapidly along the Eastern Fringe of the galaxy, and their creed is one of unity and the Greater Good. As adversaries they are formidable, for their fire caste are born to be warriors and their technology is highly advanced. A military war machine like no other, the tau are determined to secure their place amongst the stars and will battle fiercely any who stand in their way...