Any veteran who has served as a member of the armed forces of the United States during the period of a war or armed conflict in which any branch of the armed forces of the United States engaged, whether under United States command or otherwise, and was honorably discharged therefrom, shall be given such veterans preference in any civil service program established in state government as may be provided by law. Any such law must provide at least ten points to a veteran having at least a 10 percent service connected disability as rated and certified by the Veterans Administration, and all other such veterans shall be entitled to at least five points.