The Adjutant General, at his or her discretion, may issue an appropriate service ribbon to all members of the armed forces of the state ordered to active duty in time of emergency for upholding the law and preserving order, protecting lives and property, assisting civil authorities, providing aid and relief to civilians in disaster or similar service ordered by the Governor. A bronze oak leaf cluster shall be issued in lieu of succeeding awards and a silver oak leaf cluster shall be worn in lieu of five bronze oak leaf clusters.