PM 4-175, Coast Artillery Field Manual, Antiaircraft Artillery Operation of Materiel and Employment of Personnel, Searchlight Units, is published for the information and guidance of all concerned.
United States Army A.E.F. (1917-1920) Artillery School (Saumur)
In order to see, think and act, an army needs a nervous system of lines of information running from the seat of government ot the listening posts extending even into the enemy territory. Wherever this system breaks down, the army will be...
Searchlights may be classified broadly as Coast Defense Searchlights (used normally against naval targets) and Antiaircraft Searchlights (used normally against aircraft).
Compiled by Walter F. Wright, Captain, Field artillery. "The course in electrical communications for Field Artillery falls naturall into three parts: (1) elementary electricity; (2) telephones nad switchboards, and (3) radio communication."