Colonel Paul S. Marshall was commissioned an Infantry Officer upon graduation from Officer Candidate School 27 August 1947, Class Number 9. His first duty assignment was as Platoon Leader, 32nd Medical Battalion, Fort Sam Houston, Texas. | His subsequent duty assignments include: Instructor, Tactical Committee, Headquarters Medical Replacement Training Center, Fort Meade, MD; Director of Military Arts, USAREUR Medical Training Center, Degerndorf, Germany; Commanding Officer, 505th Medical Holding Company, Landstuhl, Germany; Assistant S-3, USAREUR Medical Training Center, Landstuhl, Germany; Chief, Field Training Committee, Headquarters and Headquarters Det Medical Training Center, Fort Sam Houston, Texas; Adjutant, Walter Reed Army Medical Center, Walter Reed Army Institute of Research, Washington, D.C.; Advisor, Headquarters Military Advisory Group, Pusan, Korea; Resident, Hospital Administration, Brooke General Hospital, Fort Sam Houston, Texas; Adjutant, Brooke General Hospital, Fort Sam Houston, Texas; Executive Officer, 14th Field Hospital, Bad Kreuznach, Germany; Executive Officer, 196th Station Hospital, Brussels, Belguim; Executive Officer, SHAPE, 196th Station Hospital,  Belgium; Inspector, Inspections Division, Office of the Inspector General, Department of the Army, Washington, D.C.; Executive Officer, Darnall Army Hospital,  Fort Hood, Texas; Chief of Staff, Headquarters, Walter Reed Army Medical Center. | Military schools attended include: AMEDD Basic Officer Course, Army Medical Service Advanced Course, Medical Field Service School. | His awards and decorations include: Legion of Merit, Meritorious Service Medal with Oak Leaf Cluster, Army Commendation Medal with Oak Leaf Cluster.