Halo. Contact Harvest

This is how it began... It is the year 2524. Harvest is a peaceful,prosperous farming colony on the very edge of human-controlled space. Butwe have trespassed on holy ground — strayed into the path of anaggressive alien empire known as the Covenant. What begins as a chanceencounter between an alien privateer and a human freighter catapultsmankind into a struggle for its very existence. But humanity is alsolocked in a bitter civil war known as the Insurrection. So the survival ofHarvest's citizens falls to a squad of battle-weary UNSC Marines and theirinexperienced colonial militia trainees. In this unlikely group of heroes,one stands above the rest...a young Marine staff sergeant named AveryJohnson.