Colonel Harold L. Glosup was commissioned an Armor Officer upon graduation from Officer Candidate School 13 May 1965. His first duty assignment was as a Platoon Leader, Company A, 2d Battalion, 206th Armor, McGehee, Arkansas. | His subsequent duty assignments include:  Weapons Platoon Leader, Company C, 3d Battalion, 153d Infantry, McGehee, Arkansas; Executive Officer, Company D, 1st Battalion (Mechanized), 58th Infantry, Fort Benning, Georgia; Commander, Company D, 1st Battalion (Mechanized), 58th Infantry, Fort Benning, Georgia; Battalion S-1, 1st Battalion, 11th Infantry, Quang Tri, Vietnam; Commander, Company D, 1st Battalion, 11th Infantry, Ouang Tri, Vietnam; Chief, Range Division, Directorate of Plans and Training, Fort Leonard Wood, Missouri; Assistant Inspector General, 9th Infantry Division, Fort Lewis, Washington; Assistant Brigade S-3, 1st Brigade, 9th Infantry Division, Fort Lewis, Washington; Battalion S-3, 2d Battalion, 1st Infantry Brigade, 9th Infantry Division, Fort Lewis, Washington; Supply Officer, U.S. Military Training Mission, Dhahran, Saudi Arabia; J4, U.S. Military Training Mission, Dhahran1 Saudi Arabia;  Assistant Professor of Military Science, University of Arkansas, Fayetteville, Arkansas; Battalion Executive Officer, 1st Battalion (Mechanized), 61st Infantry, Fort Polk, Louisiana; Headquarters Commandant, 5th Infantry Division, Fort Polk:, Louisiana; Brigade Executive Officer, 1st Brigade, 5th Infantry Division, Fort Polk, Louisiana; Chief, Information Study Group, 5th Infantry Division, Fort Polk, Louisiana; Battalion Commander, 1st Battalion (Mechanized), 61st Infantry, Fort Polk, Louisiana; Battalion Commander, Salt Lake City Recruiting Battalion, Salt Lake City, Utah; and Senior Division Advisor, 49th Armored Division, Austin, Texas.