Motor Rifle Brigades, by decree of the Presidium of the Supreme Soviet of the USSR of 23 July 1944, were awarded the Order of the Red Banner. The 4th Guards Tank Brigade was awarded the honorary title "Minsk." Members of the corps committed the notorious Nemmersdorf massacre during the Gumbinnen Operation, torturing and killing tens of German civilians in October 1944. The corps was withdrawn to the 3rd Belorussian Front reserve on 2 December 1944. It fought in the Insterburg-Königsberg Offensive, part of the East Prussian Strategic Offensive Operation. The corps was tasked with developing the offensive beginning on the morning of the second day of the Insterburg-Königsberg Offensive, without being bogged down in protracted combat with the German defenders and swiftly bypassing strongpoints, in order to capture the large highway junctions of Groß Skaisgirren and Mehlawischken highways by the end of the fourth day of the operation. The breakthrough of the corps was planned to be exploited by the 5th Army. Before the beginning of the East Prussian offensive, the corps had a strength of 187 T-34, 21 SU-76, and 21 SU-85 at 1900 on 12 January 1945. After suffering heavy losses during the offensive, the corps was withdrawn to the front reserve on 3 February, and did not return to combat again. Wartime assignments In 1943 the corps was assigned to the 3rd Tank Army and the 5th Guards Tank Army, and in 1944 to the 11th Guards Army and the 5th Guards Tank Army. Postwar 2nd Guards Tank Division On 24 July 1945, the corps became the 2nd Guards Tank Division in Pskov, part of the Leningrad Military District. In 1947, the division moved to Võru. On 23 May 1953, the 4th Guards Motor Rifle Regiment became the 122nd Guards Mechanized Regiment. The 873rd Artillery Regiment was activated from the 273rd Mortar Regiment and the separate howitzer artillery battalion. The 79th Separate Motorcycle Battalion was converted into a reconnaissance battalion. The 338th Separate Chemical Defence Company was activated on the same day. In 1953, the 1695th Anti-Aircraft Artillery Regiment was downsized into the 14th Separate Anti-Aircraft Artillery Battalion. The division also moved to Luga, Leningrad Oblast that year. In April 1955, the battalion became the 1108th Anti-Aircraft Artillery Regiment. The division underwent major reorganization in June 1957. The 25th Guards Tank Regiment was disbanded and the 26th Guards Tank Regiment became the 268th Guards Tank Regiment. The