Ala. Const. art. XV, § 273

Officers of the state military forces, including the adjutant general, shall be appointed, and shall be subject to suspension, discharge, removal, or compulsory retirement as such, solely on the basis of military proficiency, character and service, as determined by department of defense regulations and military usages sanctioned by the military laws of the United States, anything in this Constitution to the contrary notwithstanding. The qualifications of personnel of the federally recognized national guard shall be as prescribed in pertinent regulations and policies of the United States department of defense.