10 U.S.C. § 899: Art. 99. Misbehavior before the enemy

runs away; shamefully abandons, surrenders, or delivers up any command, unit, place, or military property which it is his duty to defend; through disobedience, neglect, or intentional misconduct endangers the safety of any such command, unit, place, or military property; casts away his arms or ammunition; is guilty of cowardly conduct; quits his place of duty to plunder or pillage; causes false alarms in any command, unit, or place under control of the armed forces; willfully fails to do his utmost to encounter, engage, capture, or destroy any enemy troops, combatants, vessels, aircraft, or any other thing, which it is his duty so to encounter, engage, capture, or destroy; or does not afford all practicable relief and assistance to any troops, combatants, vessels, or aircraft of the armed forces belonging to the United States or their allies when engaged in battle;