Army extension courses. Common subcourse : Duties of trial judge advocate and defense counsel Army extension courses. Common subcourse : Introduction and lesson 1 : basic rules and principles; qualifications of armed forces of belligerents; and, commencement of hostilities Army extension courses. Common subcourse : Sick, wounded and dead (sanitary formations and establishments, sanitary transportation, Red Cross emblem) Field service regulations United States Army 1913 / Office of the Chief of Staff, War Department Field service regulations United States Army 1923 / prep. under the direction of the Chief of Staff field manual Mountain operations / War Department U.S. war department technical manual Regimental and unit mail clerks document / war department, office of the chief of staff Field service regulations, United States Army, 1914 / War Department, Office of the Chief of Staff Army extension courses. Special text : Mess management / prep. under the dir. of the Quartermaster General for use with the Army Extension Courses Army extension courses. Special text : Weapons and musketry / prep. under the dir. of the Chief of Infantry for use with the Extension Course … war department technical manual Power units PE-75-A and PE-75-B war department technical manual Light standard and standard unit steel trestles