[ROSOBORONEXPORTCORP]

But slow..........it MUST be in list for flying.
And one.......can u make TB-1 + I-153 (in up of wing)= SPB

I believe it was TB-1 + I-15. If I were going to attempt an SPB I would go for the Pe-8 + Mig-3 combination.

Anyway the TB-1P looks like quite the plane.