Columbia subject headings:
Emergency management--West (U.S.)
National security--United States.
Terrorism--West (U.S.)--Prevention.
Harvard subject headings:
Emergency management--West (U.S.)
National security--United States
Terrorism--West (U.S.)--Prevention.
Princeton subject headings:
Emergency management--West (U.S.).
National security--United States.
Terrorism--West (U.S.)--Prevention.