> ... which puts all international airports and their surrounding regions up for grabs. International airports are not external boundaries. External boundary m

> ... which puts all international airports and their surrounding regions up for grabs. International airports are not external boundaries. External boundary means land boundary, plus some water.[1] [1]: https://www.law.cornell.edu/cfr/text/8/287.1 https://www.law.cornell.edu/cfr/text/8/287.1