Colonel Jack R. Reeves was commissioned an Infantry Officer upon graduation from Officer Candidate School 20 December 1960. His first duty assignment was as an Instructor, Weapons Department, Armor School, Fort Knox, Kentucky. | His subsequent duty assignments include: Troop Commander, 3d Armored Cavalry Regiment, Baumholder, Germany; Advisor, Military Assistance Command Vietnam, II Corp, Vietnam; Operations Officer, Weapons Department, Armor School, Fort Knox, Kentucky; Armor Team Leader, Maneuver Training Command, 100th Division, Louisville, Kentucky; Battalion Commander, 2/397, 100th Division, Louisville, Kentucky; G-3, 100th Division (Training), Louisville, Kentucky; Chief, Combat Service Support Division, Maneuver Training Command, 100th Division, Louisville, Kentucky; G3 Department of Training Management, Training Support Center, Fort Knox, Kentucky, as Chief, Services Branch, Training Support Center.