Vistula–Oder Offensive
In July 1943, Koroteyev was appointed commander of the 52nd Army, which he led for the rest of the war. Under his command, the army served as part of the Reserve of the Supreme High Command, the Voronezh Front, the Steppe Front (2nd Ukrainian Front from 20 October), and the 1st Ukrainian Front. He led the army in the Battle of the Dnieper, the Korsun–Shevchenkovsky Offensive, the Uman–Botoșani Offensive, the Second Jassy–Kishinev Offensive, the Vistula–Oder Offensive, the Lower Silesian Offensive, the Battle of Berlin, and the Prague Offensive. For his "skilled leadership" of the army in the crossing of the Oder during the Vistula–Oder Offensive, Koroteyev was made a Hero of the Soviet Union on 6 April 1945.