Drawn from a wide range of warlike peoples throughout the provinces, especially on the fringes of the empire, auxiliaries wer generally not citizens of the Roman empire. The cavalry of the auxilia provided a powerful fighting arm; organised, disciplined and well trained, it was adept at performing both skirmish and shock action. This book details the many roles of the Roman auxiliary cavalryman, including reconnaissance, communication and policing duties, as well as his role in battle. Motivation for enlisting, conditions of service and experience of battle are all explored.