R.I. Gen. Laws § 30-12-11: Trespass or injury to property.

Any person who willfully trespasses upon any camp or parade ground, armory, arsenal, rifle range, or property lawfully used by, or in connection with, the militia, or any part thereof; or injures any property situated thereon; or willfully violates thereon any regulations established to maintain order, preserve property, or prevent accidents upon that property; or removes, mutilates, or destroys any of that property, shall be guilty of a misdemeanor.