Mo. Rev. Stat. § 305.250: Adjoining state may establish air facilities.

An adjoining state or political subdivision thereof, if the laws of such state permit, is hereby authorized to acquire, establish, construct, own, control, lease, equip, improve, maintain, and operate airports, or restricted landing areas, or other air navigation facilities in this state, subject to all laws, rules and regulations of this state applicable to such aeronautical facilities, but subject to the laws of its own state in all matters relating to financing such projects.