Private property needed by the division or a county, municipality or other political subdivision for an airport or landing field or for the expansion of an airport or landing field may be acquired by grant, purchase, lease or other means, if such political subdivision or the division, as the case may be, is able to agree with the owner of such property on the terms of such acquisition and otherwise by condemnation in the manner provided by the law under which such political subdivision or the division is authorized to acquire real property for public purposes. The provisions of this section shall apply to property needed by the Adjutant and Inspector General of South Carolina.