Ala. Code § 31-2-70: Officers to Have Same Powers and Duties as Officers in Armed Forces of United States.

In addition to the powers and duties prescribed in this chapter, all officers of the National Guard and Naval Militia of Alabama shall have the same powers and perform the same duties as officers of similar rank and position in the Armed Forces of the United States insofar as may be authorized by federal law. They are authorized to administer oaths in all matters connected with the service.