A person subject to this title shall be punished as a court–martial may direct if the person wrongfully and willfully impersonates: an officer or a noncommissioned officer; an agent of superior authority of one of the armed forces; or an official of a government. A person subject to this title who, wrongfully, willfully, and with intent to defraud, impersonates a person referred to in subsection (a)(1), (2), or (3) of this section shall be punished as a court–martial may direct. A person subject to this title who, wrongfully, willfully, and without intent to defraud, impersonates an official of a government by committing an act that exercises or asserts the authority of the office that the person claims to have shall be punished as a court–martial may direct.