Army extension courses. Special text : Industrial mobilization : (procurement planning office of The Assistant Secretary of War) / prep. by the Planning Branch, Office … Army extension courses. Special text : Combat principles, the Cavalry rifle squad and platoon, mounted and dismounted / prep. under the dir. of the Chief … Army extension courses. Special text : Transportation : rail / prep. under the dir. of the Quartermaster General for use with the Extension Course of … Army extension courses. Special text : Signal communication for all arms and services / prep. under the dir. of the Chief Signal Officer for use … Army extension courses. Common subcourse : Elementary principles of military law training manual Carpentry for military specialists : Basic carpenter / United States Army Army extension courses. Special text : Military discipline, courtesies and customs of the service / prep. under the dir. of the Adjutant General and the … Planning : Planning of army air forces installations / War Department. Office of the Chief of Engineers training manual Carpentry for military specialists : General carpenter / United States Army 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 …