(a) Any county, municipality or corporation in this State may appropriate money out of the treasury of such municipality, county or corporation, donate any other valuable thing or grant or lease any land belonging to it for the purpose of aiding the improvement of the Delaware National Guard.
(b) The Delaware National Guard may accept donations of money or property from any lawful source to improve its capabilities.
(c) The money so appropriated, other valuable thing donated or the land so granted or leased to the Delaware National Guard shall be, so far as practicable, expended or disposed of by the State Department of Military Affairs in such manner and under such lawful conditions as the donor may direct.