United States Coast Guard Insignia Since 1834 In Color Plates by Preston B. PerrenotTable of Contents Completely revised in 2011. Now includes the grade insignia of the USCG staff officers, the SPARS, the U. S. Lighthouse service and information on the U. S. Lifesaving Service. A detailed examination, in color plates, of the grade insignia worn by officers, warrant officers, enlisted personnel and cadets of the United States Coast Guard and U. S Revenue Cutter Service since 1834. Included, are the warrant officer specialty marks,