马当失守 马当位于赣北最东面的彭泽县江边，与江中小孤山遥相对峙。江面狭窄，水流湍急，形势险要，是一夫挡关，万夫莫开的江防要塞。抗战初期，当局为阻敌西进，确保九江、武汉安全，在江心横贯一条栏河坝式的阻塞线。两岸山峰险要处设有炮台、碉堡、战壕等工事，水面布置３ Madang fell Madang is located in the most northerly Pengze County in northern Jiangxi Jiang River, and Jiang Xijiao remote confrontation. River narrow, fast-flowing, the situation is critical, is Yifuzhuan, Wan Fu Mo Jiang Kai fortress. In the early days of the war of resistance against Japan, the authorities prevented the enemy from going westward to ensure the safety of Jiujiang and Wuhan and traversed a barrage of river-barricades at the heart of the river. There are Fortifications on the two sides of the mountain peaks fortifications, bunkers, trenches and other fortifications, surface layout 3