They had four aircraft in different states of completion.
They finished the two they could finish but because the remaining two didn't have the expensive and complicated titanium box structure the remaining two could not be completed outside of the Ukrainian factory that made them in the first place.
The fact that they have finished the remaining two means they now have a forge able to work with very large titanium structures in a vacuum.... which is pretty much all they needed to make new Blackjacks.
Mil and Kilo.. hope you are happy with your snide cheap shots...
Troll all you want, you just sound like asses.
These planes are going to be built and these engines are going to be upgraded and it might not actually run to schedule, because this is the real world and not fairy fanboi land like the EU you two live in.
Oops, did I say fairy.... sorry, I realise in the western democratic republic of EU that you two live in that might be deemed offensive to faggots and I would be strung up under the nearest lamp post for uttering such an offensive slur on the good name of homos everywhere.