We've centralized the note issue in the United States starting in 1913 with the Federal Reserve Board so your notes that you see are called Federal Reserve Notes.
They note that the county board of supervisors cited such grounds 20 years ago in refusing a permit for a Christian academy on the same site having less than half the number of students.
Note that in order to board one of these flights, you must sign an evacuation agreement stating that you will reimburse the US government for flight costs (equivalent to commercial flight costs).