(1) Any person who is guilty of a crime.(a) without lawful authority trains or drills any other person to the use of arms or the practice of military exercises, movements, or evolutions;(b) is present at any meeting or assembly of persons held without lawful authority for the purpose of so training or drilling any other person;(c) at any such meeting or assembly as aforesaid is trained or drilled to the use of arms or the practice of military exercises, movements, or evolutions; or(d) is present at any such meeting or assembly for the purpose of being so trained or drilled Charge: Unlawful drilling.(2) A prosecution for any of the crimes mentioned in this section shall be commenced within 6 months after the crime is committed.