Title: Defending the American homeland
Subjects: Civil defense, Defenses, Emigration and immigration law, Military policy, National security, Prevention, Terrorism, War on Terrorism, 2001-, Weapons of mass destruction, homeland, defense, federal, security, intelligence, infrastructure, national, terrorist, military, terrorism, homeland security, key step, law enforcement, american homeland, civil defense, infrastructure protection, federal agencies, military operations, homeland defense, working group, War on Terrorism, 2001-2009
Places: United States