All matters relating to the organization, discipline, and government of the military forces not otherwise provided for in this chapter , shall be decided by the custom, regulations, and usage of the armed forces of the United States. [C35, §467-f61; C39, § 467.63; C46, 50, §29.63; C54, 58, 62, §29.82; C66, 71, 73, 75, 77, 79, 81, §29A.64 ]