The United States Navy maintains a fleet of aircraft that are unofficially called "Doomsday Planes ... for this mission is the Boeing E-6 Mercury, which is based on the Boeing 707-300.

The U.S. Navy awarded Northrop Grumman $3.5 billion to build E-130J "Doomsday Planes" for use in a nuclear war. The new planes will replace the nation's current fleet of E-6B Mercury aircraft ...

The US military's “Doomsday” plane is the E-4B, a militarized variant of the Boeing 747-200 passenger jet. The US Air Force says that the plane is protected against electromagnetic pulses and ...