For those interested in some more background, the Tupolev Tu-4 was reverse-engineered from the Boeing B-29 at the end of the war. http://en.wikipedia.org/wiki/

For those interested in some more background, the Tupolev Tu-4 was reverse-engineered from the Boeing B-29 at the end of the war. http://en.wikipedia.org/wiki/Tupolev_Tu-4 http://en.wikipedia.org/wiki/Tupolev_Tu-4