Wyo. Stat. § 19-9-204: Command of military force called into service.

(a) The command of any military force called into service shall devolve upon the senior officer of such force unless otherwise specifically ordered by the commander in chief.

(b) The national guard of the state may be ordered into the service of the United States by the president of the United States for any purpose for which he is authorized to use militia of the states by the constitution of the United States.