A member of the militia who, while in the hands of the enemy or a hostile individual or group as described in Alaska Stat. § 26.05.070, (1) for the purpose of securing favorable treatment by the person‘s captors, acts without proper authority in a manner contrary to law, custom, or regulation, to the detriment of other persons of whatever nationality held by the enemy or hostile individual or group as civilian or military prisoners, or (2) while in a position of authority over a person, maltreats the person without justifiable cause may be punished by up to 10 years of confinement, by separation with characterization up to dishonorable discharge, and by such other punishment as a court-martial may direct.