His first important assignment was as legate of Legio IX Hispana (Ninth Iberian Legion) in the Roman province of Britannia, under governor Gaius Suetonius Paulinus.
Hans första uppdrag var som legat inom den romerska legionen IX Hispana (nionde hispaniska legionen) i den romerska provinsen Britannia, under dess guvernör Gaius Suetonius Paulinus.