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;
Colonel general general. Before 1943, Soviet colonel generals wore four stars on their collar patches (). Since 1943, they have worn three stars on their shoulder straps, so Charles Pettibone compares the rank to the US lieutenant general. The rank still exists in the contemporary Russian Army and Air Force. Unlike the German (which it most probably calqued), the Soviet and Russian colonel general rank is neither an exceptional nor a rare one, as it is a normal step in the "ladder" between a two-star lieutenant general and a four-star army general. Other than that, the Soviet and Russian rank systems sometimes