After his return in mid-September to Moscow, Voronov at the request of the Leningrad Front's military council was sent to Leningrad, where he assisted in the carrying out of counterattacks. After returning to Moscow in October, Voronov reviewed the readiness of the Moscow Reserve Front and also worked on the formation of antitank and artillery regiments intended for the defence of Moscow. In late October, Voronov was sent back to Leningrad to organized the front's artillery during the Sinyavino Offensive in the area of the Nevsky Pyatachok. Voronov organized artillery production and the defence of the Road of Life until his return to Moscow on 5 December. He also met his father, who continued to stay in the city.