The rational use of coast-artillery, and the development of a correct system of defence, are based upon a knowledge of the means of defence, of the capability of those means, and of the method of employing them.
It is almost universally conceded that to-day, as in the past, fortifications play the most important rule in the. defense of coasts and harbors. In the United States, submarine mines and other obstructions are officially regarded as auxiliaries...
1916 description, adjustment and operation in drill and target practice / prepared especially for officers and enlisted men of the National Guard, and recommended for their use by the Division of Militia Affairs of the War Department.
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...