 He was Commandant at West Point for many years, and was Commandant at the Artillery School at Fort Monroe in Virginia, and reorganized and brought that institution to a high state of perfection.He was promoted to colonel and served as aide-de-camp to General William T. Sherman during the latter's tenure as general-in-chief of the U.S. Army, January 1, 1881–February 8, 1884.He was transferred to the 1st Regiment of Artillery, November 10, 1882, the 3rd Regiment of Artillery, January 25, 1884 and the 1st Regiment of Artillery again, March 22, 1885.