AdvertisementThe E-4B "Nightwatch" is nicknamed the "doomsday plane" because it can survive a nuclear attack.
In the event of nuclear war, it would serve as the US military's command and control center.
It is the US Air Force's most expensive plane to operate, at $159,529 per hour.
Related Video The true cost of America's war machinesThere's another lesser-known presidential plane that can operate as a "flying war room": the E-4B "Nightwatch."
Nicknamed the "doomsday plane" for its ability to survive a nuclear blast, the E-4B is designed to protect the president and other senior officials and function as a military command center in worst-case scenarios.
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