Columbia subject headings:
Aeronautics, Commercial--Capital investments--United States.
Aeronautics, Commercial--United States--Finance.
Airports--Capital investments--United States.
Airports--United States--Finance.
Harvard subject headings:
Aircraft industry--United States--Finance.
Airlines--United States--Finance.
United States--Appropriations and expenditures.
United States. Federal Aviation Administration.
Princeton subject headings:
Aeronautics, Commercial--Capital investments--United States.
Aeronautics, Commercial--United States--Finance.
Airports--Capital investments--United States.
Airports--United States--Finance.