In the article on some characteristic examples the theory and practice of modernization and improvement of the defense industry of the USSR using the experience of the USA in 1920s containing a number of decisions and actions are considered. The analysis of actions of the firm «Amtorg» which for many years, while the USA did not recognize the USSR, was an Embassy, a trade mission and a commercial enterprise is carried out. The author characterizes the barriers to the establishment of Soviet-American diplomatic relations.
