Ravaged by war and environmental catastrophe, mankind seeks refuge in the stars. Making a supreme effort, in fact the greatest and costliest ever undertaken by humanity, the Western nations send a massive colony vessel to Alpha Centauri, powered by a vacuum antimatter rocket.
After over a decade of travel, the settlers reach the planet dubbed Colonia. As the massive settlement pods begin their deployment, Colonia Security stands ready to defend the habitations from the native sentients discovered by the initial probes of the planet. Superbly armed and armoured, ColSec is 70,000 strong, which surely is a sufficient force to defend the ten million settlers ....