D.H. Hill's Division, Army of Tennessee (Soldier) (1863-1865), Army of Northern Virginia (Soldier) (1861-1863), Confederate States Army C.S.A (Major General) (1862-1863), West Point (student) (-1842), 1st U.S. Artillery Regiment (Soldier) (1842-1849), Washington College (Professor of Mathematics ) (1849-1854), Davidson College (Faculty (Mathematics)) (1854-1859), Confederate States Army C.S.A (Lieutenant General) (1863-1865), North Carolina Military Institute of Charlotte (Superintendent) (1859-1861), 1st North Carolina Volunteers Regiment (Colonel) (1861-1861), Confederate States Army C.S.A (Brigadier General) (1861-1862), University of Arkansas (President) (1877-1884), Military and Agricultural College of Milledgeville, GA (President) (1885-1889)