On 22 May 1944 he was placed in command of the 43rd Army, which soon engaged in the Operation Bagration and the Vitebsk–Orsha Offensive. On 26 June they expelled German forced from Vitebsk and then went with the Šiauliai Offensive. He then pursued the Baltic Offensive while forcing Germans into the Courland Pocket, after which his men participated in the Battle of Königsberg before taking out the remainder of the 2nd Germany Army near the Vistula.