In June 1940 he was drafted into the army, a Red Army soldier of the 268th Infantry Regiment. He fought on the Leningrad front. From March 1943 to March 1944 he was a cadet of the courses of junior lieutenants on the Leningrad Front, upon graduation he received the rank of junior lieutenant. From March 1944 to April 1944 he was commander of the 743 rifle regiment of the 131st rifle division. In April 1944 he was wounded and was being recovered in hospital No. 1539 until July 1944. From July to October 1944, he was in the reserve of the 9th archive officer regiment. From October to November he commanded a rifle platoon of the 256th rifle division of the 934th rifle regiment, in November Nikolai Semyonovich was wounded a second time, and he was undergoing treatment in hospital No. 1146 until December 1944. After the hospital was in reserve 421 officer regiment (December 1944 - January 1945) January - April 1945 - commander of the 934th rifle regiment of the 256th rifle division. From April to August 1945 - the commander of a rifle regiment of the 7th Guards Rifle Division. August - September 1945 - student at the advanced training courses for officers. From September to November 1945 - was in reserve. Discharged to the reserve on November 13, 1945 with the rank of guard lieutenant. Has awards: Order of the Great Patriotic War, 2nd degree (1945), Order of the Red Star (1944). Medals “For Courage” (1942), “For the Defense of Leningrad”, “For Victory over Germany” (dated May 9, 1945). After the war, he worked as chairman of the Krasnaya Derevnya collective farm in the Zherdevsky district. Nikolai Semenovich had 10 children.