Columbia subject headings:
Aircraft industry--Kansas.
Aircraft industry--United States.
Competition, International.
Competition--United States.
United States--Economic conditions--2001-
Harvard subject headings:
Aircraft industry--Kansas.
Aircraft industry--United States
Competition, International.
Competition--United States
United States--Economic conditions--2001-2009.
Princeton subject headings:
Aircraft industry--Kansas.
Aircraft industry--United States.
Competition, International.
Competition--United States.
United States--Economic conditions--2001-2009.