The Vanguard

Earth is lost, but despite the situation appearing hopeless, Captain Lucas Sterling knows that the war is far from over. Now they are no longer fighting to save humanity - they are fighting to avenge it.

In order to strike at the heart of the Sa'Nerran empire, Sterling must first destroy the alien super-weapon that laid waste to Earth and the inner colonies. It seems like another impossible task, but this time Sterling has an ace up his sleeve in the form of new recruit, Ensign One.

Even so, to succeed in his mission, Sterling must make the hardest decision of his life - one from which there is no turning back.

With the stage set for the final battle with the Sa'Nerra, Sterling must unite the surviving factions in the Void in order to mount an assault on the alien home world. With the Fleet Dreadnaught Vanguard leading the attack, the newly-revitalized Omega Taskforce is finally ready to repay blood with blood.

However, this time Sterling and his crew must not only face the emissaries of the Sa'Nerra, but the leader of the Sa'Nerran empire itself - the fearless and cruel Sa'Nerran Imperator.

The Omega Directive is in effect and the only way it ends is with the annihilation of the Sa'Nerran empire, no matter the cost.