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;
Robert Napier (British Army officer, died 1766) colonel, and he was afterwards appointed Adjutant-General to the Forces. In 1755, King George II appointed him colonel of a newly raised regiment, later 51st Foot; in 1756 he was promoted to the rank of major-general, and on 22 April 1757 he was removed to the 12th Regiment of Foot. In 1759, he was promoted to the rank of lieutenant-general. He died on 23 November 1766, at London. Robert Napier (British Army officer, died 1766) Lieutenant-General Robert Napier (died 23 November 1766) was an officer of the British Army. He was appointed ensign in the 2nd Regiment of Foot on