Back in the day, these planes were called "looking glass"
Here’s an inside look at the US military’s ‘doomsday plane’ — which can endure the aftermath of a nuke blast
ABOARD A US MILITARY AIRCRAFT — There is no aircraft quite like the U.S. Air Force’s E-4B.
Affectionately known as the “doomsday plane,” the modified Boeing 747 is used to transport the secretary of Defense and is born and bred for battle. It stands nearly six stories tall, is equipped with four colossal engines, and is capable of enduring the immediate aftermath of a nuclear detonation.
“It’s like a backup Pentagon,” a U.S. Air Force crew member told CNBC aboard one of the aircraft. “There’s always one plane on alert and ready to go 24 hours, seven days a week.”
[...]“It’s a common misconception, but this plane doesn’t have digital touch screens in the cockpit or elsewhere,” explained another crew member. “The conditions that this plane is meant to fly in call for analog, since digital tech would fry during a nuclear war,” he added.
Continue reading... https://www.cnbc.com/2019/05/29/us-military-doomsday-plane-can-withstand-aftermath-of-nuclear-blast.html