Columbia subject headings:
Information warfare--Congresses.
Infrastructure (Economics)--Security measures--United States--Congresses.
National security--United States--Congresses.
Organized crime--Congresses.
Terrorism--Prevention--Congresses.
United States--Armed Forces--Civic action--Congresses.
Weapons of mass destruction--Congresses.
Harvard subject headings:
Information warfare--Congresses.
Infrastructure (Economics)--Security measures--United States--Congresses.
Infrastructure (Economics)--United States--Security measures--Congresses.
National security--United States--Congresses
Organized crime--Congresses
Terrorism--Prevention--Congresses
United States--Armed Forces--Civic action--Congresses.
Weapons of mass destruction--Congresses.
Princeton subject headings: