Boeing E-4   Advanced Airborne Command Post

The Boeing E-4 Advanced Airborne Command Post, with a project name of "Nightwatch", is an aircraft operated by the United States Air Force (USAF). To create the E-4 series, four Boeing 747-200 airframes were specially modified to serve as a survivable mobile command post for the National Command Authority, including the President of the United States, the Secretary of Defense, and successors.

 

Wikipedia - Boeing E-4 Advanced Airborne Command Post

Click here for Boeing E-4 videos