Memorandum for Divisional Artillery Commanders

send Bn. 129th F A HEADQUARTERS CHIEF ARTILLERY .2D. ARMY. 97th AMBRICAN EXPEDITIONARY FORCES FRANCE. 10 Janúary 1919. MEMORANDUM FOR DIVISIONAL ARTILLERY COMMANDERS: SUBJECT . INDOOR INSTRUCTION OF OFFICERS IN MUTHODS OF FIRE. 1. The following method for the indoor instruction of officers in methods of fire and the maintenance of their skill in the handling of the fire of their batteries is suggested to the Divisional Artillery Commanders, with a view to its use in of instruction: INDOOR FIRING EXERCISES GENERAL OUTLINE, The system is' based upon the methods used in map firing with a Plan Directeur, using an airplane for the observati on of fire; and is inténded to train officers in the conduct of fire and also. in sending and receiving by wireless. PERSONNE REQUIRED. One director, One officer assästant to director to send messages, One, officer assistant to officer conducting fire, to receive messages, One officer to conduct fire, MATDRIAL REQUIRED: Plan Directeur; Range ruler, Protractor, Range table, One buzzer, One set of minia cun Danels for signalling to airplenes, Probebility rectangle constructed as herewi th indicated, on page #2. 100 countérs numbered: consecutively from 1 to 100. Sheet of blank ruled paper with X and y lines "to 1 scale of 5000 about 18 inches square.