Northern Command (NORTHCOM) is responsible for evacuating government officials under the guidance of the classified Concept of Operations PlanД¬ONPLAN 3600: Emergency Preparedness in the National Capital Region. The bunker at Offutt Air Force Base, the new bunker under the Denver International Airport, or other still-classified locations.Д®vacuating the Presidential Line of Succession His ultimate destination would be onboard theД®-4B National Airborne Operations Center (NAOB), a highly survivable militarized version of the Boeing 747-200ДЄfter several days in the air, the President could choose to go to one of the Presidential Emergency Facilities at Mount Weather, Site R, the underground bunker at Camp David,

The President would evacuate via the White House Tunnel System to the Marine One hangar at the Anacostia Naval Support Facility. Ready to take over the duty of supporting the National Essential Functions of this nation in an emergency. These ERGs are assigned to an alternate secure location on a rotating basis and are President Bush activated the shadow government on Septemshortly after the second attack on the World Trade Center.Д®very federal agency has designated key individuals to be part of an 'Emergency Relocation Group'. Each agency is required to have a detailed Continuity of Operations Plan (COOP) in place.ДЇollowing a catastrophic national emergency, the President, or his successor can authorize the establishment of a temporary 'shadow government' to maintain control of the essential functions Of leadership, staff, and infrastructure in order to maintain the functions of the United States Government in the event the nationвЂ™s capital is вЂњdecapitatedвЂќ by a terrorist attack.Д«uried deep within the 102-page National Continuity Plan is the strategy for the mass evacuation and relocation of every federal governmentДЄgency including The White House and the military in response to an exceptional catastrophic event within the NationalД¬apital Region. The 2007 ' National Security Presidential Directive 51' directs the geographic dispersion Since the days of the Cold War, the United States has had a plan in place to continue the operation of the government following a catastrophic attack on the nation's capital.

Current us defcon level