Or test this: "is a Presidential Directive establishing a comprehensive policy on the federal government structures and operations in the event of a "catastrop

Or test this: "is a Presidential Directive establishing a comprehensive policy on the federal government structures and operations in the event of a "catastrophic emergency". Such an emergency is defined as "any incident, regardless of location, that results in extraordinary levels of mass casualties, damage, or disruption severely affecting the U.S. population, infrastructure, environment, economy, or government functions." https://en.wikipedia.org/wiki/National_Security_and_Homeland_Security_Presidential_Directive https://en.wikipedia.org/wiki/National_Security_and_Homeland... It organizes the three branches under the President.