1In the summer of 943, the German summer offensive was launched.1On July 5, 943, the "fortress" operation was prepared. The main force of the Southern Army Group is the 4th Armored Army Group, which has two armored armies. The reclamation cluster consists of two group armies and the third armored army, and has the 6th, 7th, 19 armored divisions and168th infantry divisions. The 7th Armored Division assembled on the east bank of the Don River. In the area north of Rhodes Island, Belgo, it is planned to cross the Don River to capture Do Lobos Nuo, and the 7th Army of Soviet Guards is stubbornly sticking to it.

After the battle began, the 7th Armored Division was the only unit in the 3rd Armored Army that made progress. When the infantry attacked for the first time, the 25th Armored Regiment also broke through the T-34 defense in a tank battle. Now the Sixth Armored Division 1 1 Armored Regiment and the Seventh Armored Division * * *, these two forces are constantly winning. However, on the third day. Even though the 7th Division won these victories, the 3rd Armored Division was still unable to break through the Soviet defense, and then it turned to the north to attack, with the 7th Division as flank support. Six days later, the attack continued. After the 6 th armored division fought fiercely with the enemy, the 7 th division rushed to the front again and occupied Donaz. But it was too late, and the Soviets had won an all-round victory. At this time, the allied forces landed in Sicily, and the fortress operation was terminated.