which included about 30 N.C. State alumni. In early 1918, he was posted on training courses in heavy artillery and anti-aircraft training at the Heavy Artillery School at Fort Monroe, Virginia. He resumed his command of the 7th Company at Fort Caswell on July 3, and until August 1918 also served as commander of the 1st Group Command, and as chief gunnery officer and commanding officer in charge of the post officers' school at Fort Caswell. Harrelson was noted for his performance as a company commander, with his training company having produced 26 commissioned officers by that time. He was promoted to major in the National Army on August 9, 1918, and was subsequently assigned to a post in Washington on the general staff in the office of Peyton C. March, the Chief of Staff of the United States Army. In this role, he took command of the personnel branch and wrote discharges for officers, including for himself. Harrelson was demobilized in August 1919 with the rank of major, and returned to the college. In December 1920, he was transferred to the N.C. Field Artillery Corps of Organized Reserves. In the same month, he was commissioned a lieutenant colonel in the Coast Artillery Reserve, and was promoted to colonel on January 29, 1923, which led to him being popularly known as "Colonel Harrelson" at the State College. Apart from teaching, Harrelson also served as a freshman football coach and as the graduate manager of athletics in 1921. Subsequently given command of the 534th Coast Artillery Regiment, on December 20, 1927, Harrelson was transferred to command the 316th Field Artillery Regiment, 156th Field Artillery Brigade, 81st Division, reporting to Brigadier General Albert Lyman Cox. In 1929 he was appointed by Governor O. Max Gardner to head the State Department of Conservation and Development. He left the office in 1933 to head the Department of Mathematics at N.C. State. Harrelson was a member of the local engineering fraternity Alpha Sigma Epsilon which became a chapter of Theta Tau in 1924. He was initiated as the second charter member of the new chapter. In 1934, following a reorganization at the Consolidated University of North Carolina, Harrelson was appointed as the first "Dean of Administration" at N.C. State; the school's sixth chief executive and the first alumnus to lead the school. He was also appointed the North Carolina civilian aide to the Secretary of