The unit later moved to Tatsinskaya in July and Tusov in August to support the 6th Army during the drive to the Don, and later Stalingrad, which began on June 25.
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Four Bf 109E-7s of I Gruppe were lost in December, two to Soviet fighters, as I/SchlG 1 was forced back to Millerovo.
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In June 1943 the staffel was sent back to Germany, to be fitted with the new 30 mm MK-103 armour-piercing cannon, ready for the upcoming Operation Zitadelle.