Ala. Code § 31-2-130

The county commission in each county and the city council, city commissioners, or other governing body of a municipality are hereby authorized and empowered to sell, rent, lease, or give any real estate and buildings belonging to the county or municipality to any unit of the National Guard located in their respective counties and municipalities for the purpose of erecting or furnishing armories, offices, storerooms, training areas, target ranges, sheds for military vehicles, hangars for airplanes, motor vehicles, and military equipment of every character, including flying fields and similar utilities, for the military purposes of each unit. All sales, leases, transfers, and gifts under this section shall be in accordance with such rules and regulations as the Armory Commission may approve.