Mines, torpedoes, and harbor defenses.
Whoever shall willfully trespass upon, injure, or destroy any of the works or property or material of any submarine mine or torpedo, or fortification or harbor-defense system owned or constructed or in process of construction by the United States, or shall willfully interfere with the operation or use of any such submarine mine, torpedo, fortification, or harbor-defense system, shall be fined not more than five thousand dollars, or imprisoned not more than five years, or both. [See also act Mar. 4, 1909, sec. 272, p. 468.] (Mar. 4, 1909; sec. 44; Repeals act July 7, 1898.)