I./StG 77 supported the attacks on Stalingrad on 23 August 1942. By 26 September, it was withdrawn staffel at a time, to Breslau to rest and re-equip. It returned as was prominent in supporting the Axis forces at the Battle of Stalingrad. In addition to close air support, it attacked small vessels reinforcing Soviet forces in the city on the Volga River. Boats, ferry and barges were strafed and bombed virtually every day, from first light to dusk. By 20 September it had 20 operational Ju 87s from 35. II./StG 77 fought in the Battle of Voronezh and the advance down the Don River. It flew operations in the Stalingrad area, then moved south-east of Krasnodar on 3 October to support the First Panzer Army and 17th Army to consolidate German gains in the northern Caucasus against growing opposition. III./StG 77 was moved north after the initial phase of the summer offensive. It was to support the capture of Leningrad and was based to Lake Ilmen, Vyazma and Vitebsk at times. In September it was attached to Stab./StG 1. In the event, the Leningrad attack was never carried out.