Uniform Code of Military Justice
Article 121. Insubordination.
(a) A person subject to this Code is guilty of insubordination when the person—
(i) knowingly and willfully disobeys the lawful command of a superior commissioned officer; or
(ii) knowingly threatens a superior commissioned officer under circumstances materially undermining lawful military authority.
(b) Criticism, disagreement, reporting misconduct, seeking review, filing a complaint, or refusing an unlawful order does not constitute insubordination when lawfully undertaken.
(c) A person guilty under this Article shall be punished as a court-martial may direct.