Combined infantry and cavalry drill regulations for automatic machine rifle, caliber .30, model of 1909 army regulations. military school Air corps tactical school / War Department army regulations. military school Coast artillery school / War Department army regulations. military school Signal corps school / War Department army regulations. military school Quartermaster school / War Department army regulations. military school Engineer school / War Department army regulations. military school Air corps balloon and airship school / War Department army regulations. military school Cavalry school / War Department army regulations. military school General provisions (basic) / War Department army regulations. military school Signal corps school / War Department army regulations. military school Infantry school / War Department army regulations. military school Quartermaster motor transport school / War Department