[Spiff]

They might not be able to fit an 11 ton bomb on the aircraft, or it may not have the lifting capacity.

The C130 Hercules can easily carry over 20 tons. And that's what they used to drop this thing. I'm not sure whether I should be unimpressed with the writers at The Daily Mail or with the Russians.

[Stoat]

The C130 Hercules can easily carry over 20 tons. And that's what they used to drop this thing.

"Quizzical expression on face"

bbbbut....both the Daily Mail and Reuters report the aircraft to be the Tupolev Tu-160:

It showed a Tupolev Tu-160 strategic bomber dropping the bomb over a testing ground. A large explosion followed.