History of the Office of The Inspector General of the United States Army (IG January 10, 1863April 1, 1864; January 2, 1881March 8, 1885) was assigned as the "de facto" head of the Office of the Inspector General, which, until then had not existed. 2 major generals, 7 brigadier generals, 18 colonels, 118 lieutenant colonels, and 149 majors of the regular army served inspector duty during the Civil War. On January 22, 1866, a War Department order established the duties of the inspector general as: In July 1866, the number of inspectors general with the rank of colonel was fixed at four; assistant inspectors general with the rank of lieutenant colonel at three;
General of the Army (United States) General of the Army (United States) General of the Army (abbreviated as GA) is a five-star general officer and the second highest possible rank in the United States Army. A General of the Army ranks immediately above a general and is equivalent to a Fleet Admiral and a General of the Air Force. There is no established equivalent five-star rank in the other federal uniformed services (Marine Corps, Coast Guard, United States Public Health Service Commissioned Corps, and National Oceanic and Atmospheric Administration Commissioned Corps). Often called a "five-star general", the rank of General of the Army has historically been