What about it's range? Could the BlackJack bomber have taken off in
the Soviet Union and bombed the United States?

Well, a late-model Piper Cub could take off in the former USSR and
bomb the United States, or at least that portion of it that is
inhabited by Alaskans.

all the best -- Dan Ford
email:

see the Warbird's Forum at www.warbirdforum.com
and the Piper Cub Forum at www.pipercubforum.com