Battle of Stalingrad Air Army from the north as part of the Don Front offensive and 1st Guards Army, 5th Tank, 21st Army, 2nd Air Army and 17th Air Army from the south as part of the Southwestern Front. The calculation of casualties depends on what scope is given to the Battle of Stalingrad. The scope can vary from the fighting in the city and suburbs to the inclusion of almost all fighting on the southern wing of the Soviet–German front from the spring of 1942 to the end of the fighting in the city in the winter of 1943. Scholars have produced
Battle of Stalingrad Soviet Union. The initial objectives in the region around Stalingrad were the destruction of the industrial capacity of the city and the deployment of forces to block the Volga River. The river was a key route from the Caucasus and the Caspian Sea to central Russia. Its capture would disrupt commercial river traffic. The Germans cut the pipeline from the oilfields when they captured Rostov on 23 July. The capture of Stalingrad would make the delivery of Lend Lease supplies via the Persian Corridor much more difficult. On 23 July 1942, Hitler personally rewrote the operational objectives for the 1942