Indiana Code Title 10. Public Safety § 10-16-3-6

Sec. 6. (a) The state armory board may:

where necessary to provide armories or other military purposes.

(b) The state armory board shall lease or purchase real estate in the name and for the use of the state.  The state armory board may erect on the real estate an armory or another appropriate structure to be used for meetings, rendezvous, and drill purposes by the following organizations:

The ordnance stores, quartermaster stores, and other property issued to an organization described in this subsection and occupying the armory shall be stored in the armory or other appropriate structure.

(c) The state armory board shall arrange for the occupancy and use of the armories under the direction and responsibility of the senior officer in command of an organization described in subsection (b).

(d) An armory may not be erected on land that is leased for less than fifty (50) years.

(e) The Indiana wing of the civil air patrol and its subordinate units may use armory facilities without charge when the officer responsible for the armory determines the use would not interfere with operational training requirements of the military forces concerned.