6437山炮和碉堡防守，敌军火箭筒士兵和GrW-34 迫击炮士兵冲锋 Mountain cannon and bunke

6437山炮和碉堡防守，敌军火箭筒士兵和GrW-34 迫击炮士兵冲锋 Mountain cannon and bunker defense, enemy rocket launcher soldiers and GrW-34 mortar soldiers charging