The importance assumed by trench warfare and the progress made in the application of field fortification and in the science of the attack and defense of elaborate systems of trenches, have rendered necessary special instruction in the details of...
In locating the site for a defensive firing line, it must be divided into three sections : firing line, immediate support and reserves. In doing this several opposing factors should be taken into consideration and their relative importance judged...
This special text has been prepared for use with Sub-course 20-11, (Old No. 20-6), Organization of the Ground I; 20-13 (Old No. 20-7),Field Fortifications; 30-10 (Old No. 30-10), Organization of the Ground II; and 40-2 (Old No. 40-3), Organization...