The last legion - Chris Bunch

In the turbulent age of the human Confederation empire, a forgotten branch of the Army patrols the farthest reaches of civilisation. And as the volatile Confederation begins to implode, they become humanity's hope for the future - the men and women of the Last Legion.

A fresh batch of recruits are shipped to the frontier planets of the Cumbre System. Their job is to keep the peace - among the ruling class, the local aliens, and a terrorist faction bent on revolution. But when the Confederation falls silent - and the hit-and-run violence of the rebels escalates - the army becomes the law. And a planet on the edge of nowhere will set the stage for the crumbling empire's final stand ...