Colonel Donald Charles Pavlik was commissioned an Infantry Officer upon graduation from Officer Candidate School Class #20-69, 20 June 1969. His first duty assignment was Instructor, U.S. Army Infantry School, Fort Benning, Georgia. | His subsequent duty assignments include: Advisor, Military Assistance Command, Republic of Vietnam; Chief, Mortar Sub-Committee, Fort Polk, Louisiana; Commander, Headquarters Company, Fort Polk, Louisiana.; Adjutant, Committee Group, Fort Polk, Louisiana; Advisor, Military Assistance Command, Republic of Vietnam; Operations Officer, 3rd Battalion, 60th Infantry, Fort Lewis, Washington.; Commander, Company C, 3rd Battalion, 60th Infantry, Fort Lewis, Washington; Operations Officer, 3rd Battalion, 60th Infantry, Fort Lewis, Washington; Commander, U.S. Army Recruiting Area, Milan, Tennessee; Operations Officer, Headquarters, U.S. Army Recruiting Command, Fort Sheridan, Illinois; Secretary of the General Staff, Headquarters, U.S. Army Recruiting Command, Fort Sheridan, Illinois; Executive Officer, 4th Battalion, 187th Infantry, Fort Campbell, Kentucky; Chief of Plans, Headquarters, 101st Airborne Division (Air Assault), Fort Campbell, Kentucky; Commander, U.S. Army Recruiting Battalion, Cleveland, Ohio; Commander, 1st Battalion, 327th Infantry Regiment, Fort Campbell, Kentucky; Executive Officer to U.S. Army Deputy Chief of Staff for Personnel, The Pentagon, Washington, D.C.