 Complete the following phrase:  Zykov left his native village to work as a gold miner and was drafted into the Imperial Russian Army in 1911, becoming a non-commissioned officer. Serving with a reserve unit during World War I, he participated in the October Revolution in Ashgabat and joined the Red Army during the Russian Civil War. He fought in North Russia and was decorated for his actions, ending the war as an assistant regimental commander. Holding command positions in reserve units from the late 1920s, Zykov rose to division command in the late 1930s. He commanded the 121st Rifle Division from the beginning of Operation Barbarossa, leading it in the 