the airspace of the United States. 3119i. Rule of construction regarding State laws on unmanned aircraft system usage Nothing in this Act shall be construed to preempt any State law regarding the use of unmanned aircraft systems exclusively within the borders of that State. . (b) Clerical amendment The table of chapters for part II of title 18, United States Code, is amended by inserting after the item relating to chapter 205 the following: 205A. Use of unmanned aircraft systems 3119a .