Белорусский военный округ
In the summer of 1922, Voronov was appointed commander of the howitzer battery of the 27th Rifle Division. In fall 1923 he attended the school of higher artillery commanders and after graduation continued to serve with the 27th Rifle Division. During the 1926 maneuvers, Voronov distinguished himself commanding the artillery of the Belorussian Military District. As a reward, he was granted permission to take the entrance examination for the Frunze Military Academy.