This article deals with the organization of experimental exercises of the Air Force and Railway Troops in the conditions of increasing military threat during the prewar period and the years of Great Patriotic War combat operations. The relevance of the study is due to the lack of scientific research on the history of interaction and joint combat training of aviation and special technical branches units. In the course of this research, the role and place of experimental exercises in the system of joint combat training of the Air Force and Railway Troops were defined, and the main areas of weapons and military equipment testing were analyzed. A conclusion was made about the fundamental role of the Gorokhovets Aviation and Railway Troops test field in the study of joint combat use and in the development of new models of air weapons and recovering equipment for Railway Troops. The effectiveness of using of the experience of such experimental exercises is positively assessed. Conclusions are formulated and scientific-theoretical recommendations are offered to improve joint combat training of Aviation and Railway Troops units at the present development level of the Russian Armed Forces.