Okla. Stat. tit. 44, § 44-232.2: Use and operation

The Adjutant General shall promulgate rules and regulations for

the use and operation of armories, buildings, and other facilities

under control of the Military Department. The Adjutant General is

authorized to expend monies for the sustainment, restoration, and

modernization of facilities.

1. "Sustainment" means work required to maintain and preserve a

real property facility, that it may be effectively used for its

designated functional purpose. Sustainment includes maintenance and

repair work.

2. "Restoration" means work that brings a facility to such a

condition that it may effectively be used for its designed purposes.

Restoration may also be work that restores or replaces facilities

damaged by lack of sustainment, excessive age, natural disaster,

fire, accident or other causes. Restoration includes repair and

construction work.

3. "Modernization" means any modification to an existing

facility or new construction necessitated not by maintenance but

solely to implement new or higher standards, to accommodate new

functions or missions or to replace building components lasting more

than fifty (50) years. Modernization includes construction and

repair work.