 In 533 , Belisarius with a fleet of 92 dromons escorting 500 transports , landed at Caput Vada ( modern Ras <unk> ) in modern Tunisia with an army of about 15 @,@ 000 men , as well as a number of barbarian troops . They defeated the Vandals , who were caught completely off guard , at Ad Decimum on 14 September 533 and Tricamarum in December ; Belisarius took Carthage . King Gelimer fled to Mount <unk> in Numidia , but surrendered the next spring . He was taken to Constantinople , where he was paraded in a triumph . Sardinia and Corsica , the Balearic Islands , and the stronghold Septem <unk> near Gibraltar were recovered in the same campaign . 
