Columbia subject headings:
Technology and state--United States.
United States--Defenses.
United States. Department of Defense--Management.
Harvard subject headings:
Defense industries--United States.
Military research--United States.
Military weapons--United States.
Technology assessment--United States.
United States--Armed Forces--Equipment--Technological innovations.
Princeton subject headings:
Defense industries--United States.
Military research--United States.
United States--Armed Forces--Equipment--Technological innovations.