The adjutant general of Missouri is hereby authorized to present, in the name of the state of Missouri, a Missouri National Guard overseas training ribbon, which shall be of suitable design, as may be determined by the governor, to individual members of the Missouri National Guard who have participated for training, either with a unit or as an individual, outside of the continental United States border for ten or more cumulative days. The period of eligibility is on or after July 11, 1984, to a future date to be determined by the adjutant general of Missouri. For each additional award, the respective number will be fastened to the ribbon, starting with two.