Americans are speculating what it means to spot the doomsday plane flying over their town but one thing is sure, it's not a good sign as it has been noted as a response to a potential nuclear war.

TASS/. An Il-80 airborne strategic command and control post dubbed a ‘doomsday plane’ and cutting-edge MiG-31I fighters will fly over Moscow’s Red Square during the military parade on May 9 ...

Vladimir Putin has a special ‘Doomsday plane’ and trust us, while it might sound impressive or even like a bit of a toy, you never want to see it flying. Also known as ... these planes in the sky ...

It's basically a flying war room designed to withstand ... which is why it's affectionately known as the "doomsday plane." Narrator: Four E-4Bs make up the National Airborne Operations Center.

If you see a US doomsday plane flying around, you may need to run. That might sound scary, but the aircraft is a fair indication that something disastrous is on the horizon. So America has the means ...