Colonel Clinton L. Williams was commissioned an Infantry Officer upon graduation from Officer Candidate School 16 March 1967. His first duty assignment was as a Tactical Training Officer, Officer Candidate School Brigade, Aberdeen Proving Grounds, Maryland. | His subsequent duty assignments include: Platoon Commander, 229th Aviation Battalion, 1st Cavalry Division, Republic of Vietnam; Executive Officer, 4th Student Officer Company, Fort Walters, Texas; Commander, 4th Student Officer Company, Fort Walters, Texas; Platoon Commander, 173d Assault Helicopter Company, Republic of Vietnam; Liaison Officer, S-3, 223d Aviation Battalion, Republic of Vietnam; Assistant S-3, 19th Infantry Battalion, 75th Infantry Division, Schofield Barracks, Hawaii; Rifle Company Commander and S-3, 19th Infantry Battalion, 25th Infantry Division, Schofield Barracks, Hawaii; Division Aviation Safety Officer, 2d Armored Division, Fort Hood, Texas; Commander, Company A, 502d Aviation Battalion, Fort Hood, Texas; Personnel Management Officer, Military Personnel Center, Alexandria, Virginia; Commander, 15th Attack Helicopter Battalion, Germany; Staff Leader, Combined Arms Staff Services School, Command and General Staff College, Fort Leavenworth, Kansas; Chief, J3 Plans Branch, U.S. Central Command, MacDill Air Force Base, Florida; Chief, Operations Plans Division, U.S. Central Command, MacDill Air Force Base, Florida.