It costs nearly $160,000 per hour to fly the E-4B, making it the most expensive airplane the Air Force operates. And it's built to survive a nuclear blast. To prevent radiation, the windows have a ...

The Air Force currently operates four E-4B aircraft, with at least one on alert at all times at the Offutt Air Force Base in Omaha, Nebraska. Boeing E4 planes are also tasked with following Air ...

The E-4B "Nightwatch," often called the "Doomsday Plane," is one of the most advanced and expensive aircraft operated by the U.S. Air Force. Designed to protect the President of the United States ...