Dozens of men were lost in this way, but the attackers were never able to occupy the fort. Thus it came to be called the Iron Fort. Nothing of the life-and-death atmosphere of those times lingers.
國軍在此處死傷慘重，據統計有數十人之多，然而對岸卻始終也無法攻下整個碉堡，「鐵堡」由此得名。