Since July 1940 to August 1942 the commander of the chemical department of an experienced training battalion. Since August 1942 to September 1946 fire platoon commander with the rank of lieutenant of the Central Scientific Testing Battalion of the Red Army. When the Great Patriotic War began, my great-grandfather had already served in the army at a secret training ground. Where he tested the latest weapons at that time. For example, such as artillery rocket launchers "Katyusha", sights, new shells.