18 U.S.C. § 703

Whoever, within the jurisdiction of the United States, with intent to deceive or mislead, wears any naval, military, police, or other official uniform, decoration, or regalia of any foreign state, nation, or government with which the United States is at peace, or anything so nearly resembling the same as to be calculated to deceive, shall be fined under this title or imprisoned not more than six months, or both.