 The "aswaran sardar" were high-ranking officers who were in charge of the "aswaran", their position was so high up in Sasanian society that they were only answerable to the Eran-Spahbad (Commander in Chief) and the Shahanshah himself.They would be guarded heavily by cataphract style cavalry.The post of "aswaran sardar" was held by a member of the Mihran-Pahlav family.