Iowa Code § 29A.15: State awards and decorations.

The adjutant general, from the funds appropriated for the support and maintenance of the national guard, shall procure and issue to the members of the national guard merit or service badges or other appropriate awards for service under regulations and according to the design and pattern determined by the adjutant general. Members of the national guard who, by order of the president, serve in federal forces during a national emergency, may count the period of that federal active duty toward the procurement of a service badge.