Major Andrei Durnovtsev was about to get airborne in his TU95 Bear.  Hanging from the white painted aircraft was a 27 Ton monster, the largest nuclear bomb ever devised.  It was so vast that he didn’t even know if he would survive the explosion when he delivered the Tsar Bomba.

The site of the detonation.

 

The Tsar Bomba’s fireball which reached 5 miles in diameter.

 

The mushroom cloud of the Tsar Bomba the crown of which reached 45 miles up into the atmosphere.

 

Images under Creative Commons licence with thanks to Croquant, Minatom, SA3.0 and atomicforum.com