abd al-aziz led his first campaign against the byzantines in asia minor in 709, when he captured a fortress, although his uncle maslama ibn abd al-malik led the main raid of the year afterwards. in 710 he led the main umayyad attack, although under the auspices of maslama as commander-in-chief for the byzantine front, and in 713 he led an attack against the frontier fortress of gazelon.