In June, Colonel General Ivan Chistyakov took command of the army. On 5 August, the army became part of the 1st Far East Front, which was redesignated from the Maritime Group of Forces in preparation for the Soviet invasion of Manchuria. At the time, the 393rd Rifle Division and the 7th and 113th Fortified Areas were in the army's direct subordination. By the beginning of the invasion on 9 August, the army included the 39th Rifle Corps with the 40th, the 384th, and the 386th Rifle Divisions, the 393rd Rifle Division, and the 7th, 106th, 107th, 108th, 110th, 111th, and the 113th Fortified Areas.