Columbia subject headings:
Business and politics--United States.
Defense contracts--United States.
United States--Armed Forces--Procurement.
United States. Department of Defense.
Harvard subject headings:
Aircraft industry--United States
Campaign funds--United States
Defense contracts--United States.
Defense industries--United States.
Lobbying--United States
Military weapons--United States.
Princeton subject headings:
Aircraft industry--United States.
Campaign funds--United States.
Defense contracts--United States.
Defense industries--United States.
Lobbying--United States.