United States Air Corps Tactical School (Langley Field)
"The scope of this 1927 course in Antiaircraft Defense as taught at this school is to familiarize Air Corps commanders with the capabilities and limitations of the antiaircraft Service, and to assure coordination and cooperation between the Air...
Guide for the Royal Army of Field Artillery regulations for the soldier and commanding officers. Every soldier of the Royal Army was required to have a copy of this manual.
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...