Colonel Thomas A. Hooper was commissioned an Infantry Officer upon graduation from Infantry Officer Candidate School, Class 501-68, Fort Benning, Georgia, 28 March 1968. His duty assignment was as a Rifle Platoon Leader in Company A, 6th Battalion, 9th Infantry Regiment, Fort Wainwright, Alaska. | His subsequent duty assignments include: Chief, Staff Group, Office of the Deputy Chief of Staff for Logistics, Headquarters, Department of the Army, The Pentagon; Commandant, U.S Army Ordnance Missile and Munitions Center and School, concurrently Commander, 59th Ordnance Brigade, Redstone, Arsenal, Alabama; Commander, 34th Support Group, Yongson, Korea; Chief, Plans and Systems Division, G-4, Eighth U.S. Army and J-4, U.S. Forces Korea, Yongson, Korea; Seminar Leader, School of Advance Military Studies, Fort Leavenworth, Kansas; Commander, 67th Maintenance Battalion, Fort Benning, Georgia; Logistics Plans and Force Structure Officer, Office of the Deputy Chief of Staff of Logistics, U.S. Army Europe, Heidelberg, Germany; Chief, Skill Qualification Test Branch, U.S. Army Ordnance Center and School, Aberdeen, Proving Ground, Maryland; Chief, Collective Training Analysis Branch (Army Training and Evaluation Program), U.S. Army Ordnance Center and School, Aberdeen, Proving Ground, Maryland; Chief of Supply, G-4, 82nd Airborne Division, Fort Bragg, North Carolina; Division Repair Parts Officer, 82nd Airborne Division, Fort Bragg, North Carolina; Commander, Company A (Main Support), 782nd Maintenance Battalion, 82nd Airborne Division, Fort Bragg, North Carolina; Commander, Company C (Forward Support), 782nd Maintenance Battalion, 82nd Airborne Division, Fort Bragg, North Carolina; Assistant Operations Officer, 5th Special Forces Group, Fort Bragg, North Carolina; Protocol Officer, John F. Kennedy Special Warfare Center, Fort Bragg, North Carolina; Infantry Advisor, Military Assistant Command, Vietnam; Operations Officer, Basic Training Battalion, Fort Lewis, Washington; Commander, Company A, 6th Battalion, 9th Infantry Regiment, Fort Wainwright, Arkansas; Executive Officer, Company A, 6th Battalion, 9th Infantry Regiment, Fort Wainwright, Arkansas; Support Platoon Leader, 6th Battalion, 9th Infantry Regiment, Fort Wainwright, Arkansas; Rifle Platoon Leader, Company A, 6th Battalion, 9th Infantry Regiment, Fort Wainwright, Arkansas. | At the time of his induction, Colonel Hooper was serving as Director, Collins & Company, Inc, Consultants on Trade, Defense, and Foreign Affairs, Arlington, Virginia.