 Complete the following phrase:  Korne was engaged in follow-up operations in Crimea. Breaching the Isthmus of Perekop on 28 October 1941, his regiment moved towards Simferopol, cut the retreat roads to Yevpatoria, and then took part in the siege of Sevastopol and the Battle of the Kerch Peninsula. Kornes units fought at Feodosia and on the road to Kerch alongside the German troops of Colonel Karl-Albrecht von Groddeck. Starting in August 1942 Korne fought in the Battle of the Caucasus, reaching Anapa at the end of the month, and then Novorossiysk, which fell to Wehrmacht and Romanian Army units at the beginning of September. On 7 October, Korne took command of 8th Cavalry Division and engaged in the Battle of Stalingrad, as part of the 4th Romanian Army, under the command of lieutet general Constantin Constantinescu-Claps. After the start of the 