Grade Insignia of the United States Auxiliary Services by Preston B. PerrenotTable of Contents A detailed examination, in color plates, of the grade insignia worn by members of the U. S. auxiliary uniformed services since their respective creations. The services: U. S. Army Transport Service and Harbor Boat Service; U. S. Maritime Service; U. S. Public Health Service; U. S. Army Mine Planter Service; National Oceanic and Atmospheric Administration and Coast and Geodetic Survey.