Earth. Near future. The USA and Russia create Co-Ownership. The first ship with the "Alderson propulsion" leaves the solar system. The first interstellar colonies are founded. The armed forces of the United States and Russia unite into the Co-Ownership Space Fleet... The Great Exodus begins - the era of space colonization. The Earth is slowly dying. The future belongs to the colonies. Only people who know how to do this professionally will survive. Such as the commander of the mercenary legion, John Christian Falkenberg!