Army extension courses. Common subcourse : Pretrial investigation. - Action upon charges Army extension courses. Common subcourse : Prisoners of war (punishmenst, escape, conduct of trials, paroles) department of the army field manual,field manual Rifle company, infantry regiment / Department of the Army Schietvoorschrift voor de infanterie (V.S.I.) war department technical manual 20-MM automatic gun M3 / War Department structures series Civilian defense : protective construction / prepared by the War Department Army extension courses. Special text : Map reading, infantry / prep. under the dir. of the Chief of Infantry for use with the Extension Course … Army extension courses. Special text : Tactics and technique of infantry and associated arms / prep. under the dir. of the Chief of Infantry for … Army extension courses. Special text : Military sanitation and first aid / prep. under the dir. of the Surgeon General for use with the Army … Army extension courses. Special text : Defense against chemical warfare / prep. under the direction of the Chief of the Chemical Warfare Service for use … Army extension courses. Special text : Dental administration / prep. under the dir. of the Surgeon General for use with the Extension Course of the … Army extension courses. Special text : Training management, medical department / prep. under the dir. of the Surgeon General for use with the Extension Course …