Upon being drafted into the Red Army in 1942, he attended the 2nd Tomsk Artillery School, which he graduated from in 1943 at the age of 19. Upon arrival at the Southwestern front in June 1943 as a lieutenant and platoon commander in the 132nd Guards Artillery Regiment of the
60th Guards Rifle Division he participated in battles to expel the axis from Soviet territories. He crossed the
Dnieper on the night of 27 October 1943 to establish a bridgehead on
Khortytsia, killing seven enemy soldiers in a trench with hands grenades and machine-gun fire. When the counterattack began at dawn he was put under heavy artillery fire that eventually took out his radio, but he made a trip across the river to fetch a new one. Over the course of a day the position was attacked by enemy bombers and attacked 13 times, and Shilin took fire on himself, but they were able to hold the bridgehead until reinforcements arrived. For his role in the
Battle of the Dnieper he was awarded the title Hero of the Soviet Union on 22 February 1944. Later he was promoted to the position of intelligence chief in the regiment; in that position, he was recognized for his bravery in the
Vistula-Oder Offensive. He was withdrawn from combat during the battle for the Magnushevskom bridgehead after he was badly wounded in the chest after throwing grenades into an embrasure 15 January 1945. For the remainder of the war he was hospitalized, but he was awarded the title Hero of the Soviet Union again on 24 March 1945. == Postwar ==