Problems of engineering troops of the red army and ways to solve them during the breakthrough of the Finnish long - term defensive system - "Mannerheim Line" (from November 30, 1939 to March 13, 1940 )
The article deals with the main problems of engineering support of the red Army's combat operations during the Soviet -Finnish war of 1939-1940 and the ways of solving the main tasks of engineering support for the breakthrough of a long - term defensive system.