Battle of Kursk Battle of Stalingrad slowly ground to its conclusion, the Red Army moved to a general offensive in the south, pressuring the exhausted German forces who had survived the winter. By January 1943, a wide gap had opened between Army Group B and Army Group Don, and the advancing Soviet armies threatened to cut off all German forces south of the Don River, including Army Group A operating in the Caucasus. Army Group Center came under significant pressure as well. Kursk fell to the Soviets on 8 February 1943, and Rostov fell on 14 February. The Soviet Bryansk, Western, and newly
Battle of Kursk term blitzkrieg (lightning war); other military historians do not use the term in their works on the battle. Operation Citadel called for a double envelopment, directed at Kursk, to surround the Soviet defenders of five armies and seal off the salient. Army Group Centre would provide General Walter Model's 9th Army to form the northern pincer. It would cut through the northern face of the salient, driving south to the hills east of Kursk, securing the rail line from Soviet attack. Army Group South would commit the 4th Panzer Army, under Hermann Hoth, and Army Detachment "Kempf", under Werner Kempf,