Colonel Harry K. S. Tom was commissioned a Medical Service Corps Officer upon graduation from Officer Candidate School 6 March 1954. His first duty assignment was as a Student, Associate Medical Service Company Officer Course, Medical Field Service School, Fort Sam Houston, Texas. | His subsequent duty assignments include: Officer Cadre, Medical Field Service School, Fort Sam Houston, Texas; Student Pilot, Army Aviation School, Fort Sill, Oklahoma; Assistant Airfield Operations Officer, Army Aviation School, Fort Rucker, Alabama; Rotery Wing Flight Instructor Pilot, Army Aviation School, Fort Rucker, Alabama; Dental Officer, 185th Medical Detachment (Dental Services), Armed Forces Reserve Center, Los Alamos, California; Executive Dental Officer (Individual Mobilization Augmentee), Dental Activities Command, Tripler Army Medical Center, Honolulu, Hawaii; Executive Dental Officer (Individual Mobilization Augmentee), Headquarters, Health Services Command, Fort Sam Houston, Texas. | Colonel Tom retired and became a General Dentist, solo practicioner, in Hollywood, California.