Neb. Rev. Stat. § 55-464

Any person subject to this code who: (1) Violates or fails to obey any lawful general order or regulation; (2) Having knowledge of any other lawful order issued by a member of the military forces, which it is his duty to obey, fails to obey the order; or (3) Is derelict in the performance of his duties, shall be punished as a court-martial may direct.