 Second Battalion, 58th Infantry, House of Pain, was one of six training battalions on Sand Hill, a section of Fort Benning reserved for basic training. Each battalion was led by a lieutenant colonel. Within the battalions were six companies, each led by a captain and a first sergeant. There were four platoons in each company led by drill sergeants. And the book is American Cipher, Bob Bergdahl and the U.S. Tragedy in Afghanistan by Farwell and Ames.