“Military installations are normally established by treaties with…
“Military installations are normally established by treaties with the host country, which makes them defacto territory. ”
You are not correct.
From http://www.state.gov/documents/organization/86755. …
“Despite widespread popular belief, U.S. military installations abroad and U.S. diplomatic or consular facilities are not part of the United States within the meaning of the 14th Amendment. A child born on the premises of such a facility is not subject to the jurisdiction of the United States and does not acquire U.S. citizenship by reason of birth.”