America is at war with terrorist enemies who are intent on attacking our Homeland and destroying our way of life. The lives and livelihoods of the American people also remain at risk from natural catastrophes, including naturally occurring infectious diseases and hazards such as hurricanes and earthquakes, and man-made accidents. Our National Strategy for Homeland Security recognizes that while we must continue to focus on the persistent and evolving terrorist threat, we also must address the full range of potential catastrophic events, including man-made and natural disasters, due to their...