Wherever Air Force One is in the world, an E-4B Doomsday plane isn’t far away.

There are four E-4B ‘Nightwatch’ planes in the fleet that are made up of specially modified Boeing 747s that follow the President of the United States, particularly when he goes overseas.

The planes are outfitted as complete command centers for the president and his top officials including the Secretary of Defense and the Joint Chiefs of Staff in the case of nuclear war or national emergency.

These aircraft have unique capabilities that cannot be duplicated by any other aircraft that the Air Force use.

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There are four E-4B ‘Nightwatch’ planes, one is pictured in 2013, in a fleet that are made up of specially modified Boeing 747s that follow the President of the United States almost wherever he goes

These planes are some of the most unique in the Air Force’s total air fleet and are designed to be airborne military command centers

In the case of a nuclear attack or a national emergency, top Washington officials like the Secretary of Defense and the Joint Chiefs of Staff would go onto one of the E-4Bs. Pictured is a press ‘briefing room’ on the plane

The planes, also called ‘National Airborne Operation Centers’ when they are in-flight, have special equipment and have the capability to communicate with anyone from anywhere in the world and support analysts and strategists on the flight.

The design of the plane is meant to survive an electromagnetic pulse with all the systems intact, even down to the fact that they still use traditional analog flight instruments because they are less vulnerable.

It is capable of operating with the largest crew of any aircraft in US Air Force history, at 112 people, both flight and mission personnel. The planes all have three decks……more here