This manual is a guide for the commander the field and personnel of artillery searchlight battery. It will assist the commander in developing the battery into an efficient, smooth working unit capable of operating effectively in combat.
To request you sign the decision paper at Tab A requesting the Commandant to sign the letter to General Kerwin on the field artillery requirements for searchlights.
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.
Searchlights may be classified broadly as Coast Defense Searchlights (used normally against naval targets) and Antiaircraft Searchlights (used normally against aircraft).
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...