Whoever, when the United States is at war, does either of the following may be sentenced to imprisonment for not more than 20 years or to payment of a fine of not more than $35,000, or both:
(1) intentionally makes or conveys false reports or statements with intent to interfere with the operation or success of the military or naval forces of this state; or
(2) intentionally causes or incites insubordination, disloyalty, mutiny, or refusal of duty in the military or naval forces of this state, or obstructs the recruiting or enlistment service of this state.