一条从北京通往广州的国防线横穿湖北大悟县境内。自架设之日起,大悟县民兵与部队紧密配合,在沿途建立以民兵为主的义务护线网,确保线路畅通无阻20载。这条国防通讯线通过大悟的崇山峻岭中,给护线工作带来许多困难。大悟县人武邮坚持每年深入沿线哨所,检查线路的通话情况,会同沿线乡镇人武部研究完善民兵义务 A national defense line from Beijing to Guangzhou crosses Dawu County in Hubei Province. Since the establishment of the day, Dawu County militia and the troops to work closely with the establishment of a militia-based compulsory guard line along the way to ensure smooth lines unimpeded 20 contained. This defense communication line has brought many difficulties to the line maintenance through the high mountains of Dawu. Dawu County Renwu Post insists on going to the outpost along the line each year to check the call of the line and to work with the township armed forces department to study and improve the militia obligations