Franklin Roosevelt actually said...

At no time shall any person, other than persons on public vessels of the United States, enter any of the naval defensive sea areas herein se...

This order shall take effect ninety days after date hereof

At no time shall any aircraft, other than public aircraft of the United States, be navigated into any of the naval airspace reservations her...

the airspaces over the said territorial waters and islands are hereby set apart and reserved as naval airspace reservations for purposes of ...