Introduction: The Changing Face of the Roman Army I.The Republican Army considers the earliest armies, the creation of the Roman navy, and the militia army that conquered the Mediterranean. II.The Professional Army describes the reforms under Marius and his successors and the creation of the new legionary structure. III.The Life of a Roman Soldier looks in detail at all aspects, from recruitment and daily routine - barracks life, training, parades, diet, discipline, medical care - to equipment and frontier and off-duty life. IV.The Army at War reveals how the army operated on campaign and in battle, from grand tactics to hand-in-hand combat and siege warfare. V.The Army of Late Antiquity examines the reorganization after the defeats of the third century and the rise in the use of cavalry.