A large amount of work on projects "106" and "125," carried out by OKB A.N. Tupolev, did not give the necessary result. Although both projects were structurally very different from each other: work on "106" was carried out under the sign of modernization of the Tu-22 aircraft, and on "125" - the creation of an ultra-modern and ultra-high-speed bomber, the reason for the lack of real results was the common roots...