强化波音747的E -4B"末日计划" 充当核危机移动指挥中心 The E-4B "Doomsday Plane," a fortified Boeing 747, serves as a mobile command center for nuclear crises.

军事化波音747 -200号E -4B"末日计划" 在发生核攻击时 充当美国军方的指挥中心 The E-4B "Doomsday Plane," a militarized Boeing 747-200, serves as a command center for the U.S. military in case of a nuclear attack. 它每小时运行费用159 529美元,具有核屏蔽功能,能够承受电磁脉冲,并拥有67个用于先进通信的卫星天线。 Costing $159,529 per hour to operate, it features nuclear shielding, can withstand electromagnetic pulses, and has 67 satellite dishes for advanced communications. 它的设计是为了保护总统和其他官员,它可以在飞行中点加油并运作数天。 Designed to protect the president and other officials, it can refuel mid-flight and operate for days.