sentences:  On November 25, Colonel Sedulin was replaced in command by Lt. Col. A. M. Osadchii and on the same day 50th Army launched an offensive from its positions along the Pronya River just north of Propoysk which penetrated the German front as much as 30km over the next 15 days, finally approaching the Dniepr River near Novyi Bykhov.The 324th was in the first echelon when the Army went over to the defense.Colonel Osadchii had handed the division over to Maj. Gen. Aleksandr Bondovsky in the midst of this operation on December 2.