Section 73. Summary courts-martial may try enlisted personnel for any non-capitol offense made punishable by the laws and regulations governing the armed forces of the United States or by this chapter. Noncommissioned officers shall not be tried by summary courts-martial if they object thereto before arraignment. Summary courts-martial may impose a fine, not exceeding $250 for any single offense and may reduce enlisted personnel. The proceedings of such court shall be informal and the record of the court shall be substantially the same as that prescribed for the armed forces of the United States.