 Bergonzoli had approximately 45 @,@ 000 defenders under his command . The Italian divisions defending the perimeter of Bardia included remnants of four divisions . The northern ( " <unk> " ) sector was held by the 2nd " 28 October " Blackshirt Division ; the centre ( " Ponticelli " ) sector by the 1st " 23 March " Blackshirt Division and elements of the 62nd " <unk> " Infantry Division ; and the southern ( " <unk> " ) sector by the 63rd " <unk> " Infantry Division and the rest of the 62nd " <unk> " Infantry Division . Bergonzoli also had the remnants of the disbanded 64th " <unk> " Infantry Division , some 6 @,@ 000 Frontier Guard ( <unk> ) troops , three companies of Bersaglieri , part of the dismounted Vittorio Emanuele cavalry regiment , and a machine gun company of the 60th " <unk> " Infantry Division . 
